The front triangle is asymmetric, with the shock offset to the non-driveside. Our rear axle tool has been a staple on our bikes for years, it is now better than ever. So why did I personally build it? While these may seem like minor improvements individually, the sum of their parts results in more efficient shock performance. The issue includes 8 article papers, 1 case study and 2 review articles. The journals policy of screening for plagiarism includes the use of a plagiarism checker on all submitted manuscripts. "Downcountry" rig? While dropper seat posts can be both practical and fun to ride with, theyre not really a must for every kind of riding or every track. Climbing traction is excellent with the suspension run wide open, improving to exceptional in the TwinLoc systems middle setting. Scott's Spark 920 is a capable mountain bike that features their integrated suspension technology, Shimano SLX 4 Piston Brakes, and reliable Schwalbe tires Scott: Spark 950 - 2022 / Lockout / 130mm travelREAR SHOCK: FOX NUDE 5T EVOL TrunnionSCOTT custom w. travel / geo adj.3 modes: Lockout-Traction Control-DescendCustom large Air volume / DPS / Reb. With the proper selection of materials, eighty percent of the work to create a frame is done. Along with the carbon design and production method, part of the low weight is thanks to the very trick titanium hardware. Get $350 off your new Alchemy bike with code VITAL500. The latest version has Carbon added to the name which of course means new lighter lever blades. Another German specialist is CarbonWorks who introduced their incredibly light bottle cage a few years back. The 930s geometry and silky suspension deliver the confidence to hit big jumps from the off. / Lockout / 130mm travel, FOX NUDE 5 EVOL Trunnion SCOTT custom w. travel / geo adj. Fibre reinforcement is considered a good alternative for improving the geotechnical properties of soil. Short-travel trail bike? Login for submission of manuscipts already under peer-review in the old system, or for submissions to PanAm Special Issue, Login for new submissions starting on May 2021 (new registration required), ERRATUM: Contaminant transport model in transient and unsaturated conditions applied to laboratory column test with tailings, Geotechnical characterization of the estuarine deltaic deposits in the Guayaquil city through in situ and laboratory tests, Vacuum preloading and PVDs in soft soils beneath embankments: 3D coupled analysis incorporating overall stability study, A case study of bearing capacity of piles partially embedded in rock, An evaluation of reinforcement mechanical damages in geosynthetic reinforced piled embankments, Soil-water characteristic curve of polypropylene fibrereinforced sandy soil, Discussion of "Determination of liquid limit by the fall cone method", Guidelines and recommendations on minimum factors of safety for slope stability of tailings dams, Risk management for geotechnical structures: consolidating theory into practice (Pacheco Silva Lecture), The influence of the fluid dielectric constant on the shear strength of a unsaturated soil, Unsaturated soils in the context of tropical soils, Lessons learned from dam construction in Patagonia, Argentina (Victor de Mello Lecture), Spread footings bearing on circular and square cement-stabilized sand layers above weakly bonded residual soil. Santa Monica: (424) 744-8148, Get the latest updates on new products and upcoming sales. Get lairy and the rear end absorbs landings and impacts smoothly, so even on off-piste trails the Sparks got your back. THM is not yet a common sight on mountain bikes, but the company, which was founded in 1996, is quite legendary in the road bike world especially for their state of the art carbon cranksets. The important thing is to find the right shell shape for you, and a carbon seat has the benefit of way less friction between your bibs and the seat itself. Adj., lockout, 130mm travel, Rear Shock: FOX NUDE 5T EVOL Trunnion, SCOTT custom w. travel, geo adj., 3 modes: Lockout-Traction Control-Descend, custom large air volume, DPS, Reb. Free standard shipping on orders over $49. Mick is also a talented photographer, taking images for BikeRadar and MBUK magazine among others. Each manuscript is subjected to a single-blind peer-review process. Occasional race bike? Although embankments on soft soils with prefabricated vertical drains (PVDs) under vacuum preloading have been widely studied, there is a lac Marlia Dantas da Silva, Roberto Quental Coutinho, Bernadete Ragoni Danziger. The titanium pedal spindles have a 85 kg limit, the wheel set 95 kg and the seat a 100 kg limit for example. MOUNTAIN BIKE - TRAIL, Scott: Spark 950 - 2022 My biggest niggle was the seated position. One click of the lever increases low-speed compression support at the back, while another opens up the damping at both ends. There are plenty more builds to come, so feel free to keep up with them all via my Instagram. Free ground shipping on orders over $50 (U.S. only). Occasional race bike? This is the lightest version, which more specifically is called HMX SL in Scotts carbon fiber hierarchy. Either way, we tend to set a number as a goal and it gives us a little extra drive and meaning to work towards something. We can also add much larger bearings to the seat tube pivot, further reinforcing this area and reducing any unnecessary motion. When the parts were bonded together in the first prototypes, the result was a super light and compact frame without sacrificing the stiffness, comfort or impact resistance. To save weight a regular expander and top cap is used for installation and to preload the headset. The Sparks suspension layout has a very specific and proven kinematic and less unsprung mass. While 12-speed is quite standard these days and is of course a nice thing, 11-speed still works great and is obviously a bit lighter. Machado, H.M.C. With that said, its probably not a bike for everyone. Spark Carbon HMF Mainframe with Alloy 6011 Swingarm Integrated Suspension Technology Flex Pivot / Adjustable head angle Syncros Cable Integration System BB92 / UDH Interface / 12x148mm with 55mm Chainline, FOX 34 Float Rhythm Air Grip 3 3-Modes / Kabolt 15x110mm axle / tapered steerer 44mm offset / Reb. Scotts Spark 930 is a steeper seat angle and few parts shy of fast-and-furious trail bike perfection, GBP 3,199.00 RRP Almeida, S.L. Years later, we still believe that for technical cross-country racing and fast, punchy singletrack it is the best approach. And while Im no contender for the Olympics who really needs such a super bike, having fun riding a great bike is something for everyone. de Mello; Bruno S. Dzialoszynski, M.S.S. The last issue of 2021 features a lecture by Prof. Arumugam S. Balasubramaniam and eleven other papers from different fields. But either way I still wish you all could test ride a bike this light because it sure doesnt really compare to anything else. With these three options you can adjust all pivot hardware and nearly everything else there is to adjust on the bicycle. Scott Introduces the All-New SPARK RC and SPARK 900 (press release). A standard top cap can sometimes help prevent headset play, and some manufacturers specifically state that a spacer of at least 1-3 mm must be installed on top of the stem. Here he shares the details of his latest weight weenie outing a jawdroppingly lightweight Scott Spark full suspension mountain bike. The Editor is responsible for the final decision regarding acceptance or rejection of articles. The issue includes Articles, Case Studies and Review Articles. The aim of Soils and Rocks is to publish and disseminate basic and applied research in Geoengineering. Soils and Rocks publishes original and innovative peer reviewed articles, technical notes, case studies, reviews and discussions in the fields of Soil and Rock Mechanics, Geotechnical Engineering, Engineering Geology and Environmental Engineering. This can be done without cutting cables or bleeding brakes. Whatever, call it what you want to call it. Thanks to this extensive computer modeling, weve optimized the carbon layers in all the parts of our frame. The Ransom 930 is an End, Scott: Genius 930 - 2022 The bike becomes so responsive and quick feeling, which is especially noticeable in technical climbs. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Scott has specced the shorter-offset version (44mm) to increase trail, which acts as a steering stabiliser. The cluttered handlebar (due to the remote set-up) makes it quite awkward to activate the dropper to shift the saddle and let you adapt to the terrain while pedalling dynamically, too. Examples of potential conflicts of interest include employment, consultancies, stock ownership, payment fees, paid expert testimony, patent applications/registrations, and grants or other funding. MOUNTAIN BIKE - TRAIL Scotts latest, forward-looking Spark launched in 2017, and the Swiss-designed rig is still on-trend and every bit a modern mountain bike three model years later. And that is a big part of what makes a bike like this both extremely fun and fast in certain situations. It wont matter how light your bike is if you have zero grip or get a flat from looking at your tires the wrong way. Its Scott: Spark 910 - 2022 Short-travel trail bike? Gustav Dangerholm Gullholm is a fixture of the mountain bike scene, best known for his heavily customised and extremely lightweight builds. Thanks! All in all the complete wheelset weighs 1020.9 g with a 100 kg max rider weight limit. ISSN 1980-9743 | ISSN-e 2675-5475, An International Journal of Geotechnical and Geoenvironmental Engineering | Latest issue: 45(1) Jan-Mar 2022 | ISSN 1980-9743 | ISSN-e 2675-5475 |, NATIONAL LABORATORY FOR CIVIL ENGINEERING, Portugal, Copyright 2020 Soils and Rocks. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. They also make super light GPS mounts for various stems, including the Schmolke stem used here. They still keep their trademark smooth and light lever feel and with carbon clamps from Hopp the set weighs a mere 323.2g. Pedalling is dialled, with crank cycles so smooth that the power delivery feels a bit like using an oval chainring (minus the flat spots they can bring when stomping hard). All we know is that this is one hell of a mountain bike. Developed in Germany, and not to be confused with other fiber spokes, they are made from Vectran and use a proprietary fastening system. With a 24 mm inner width, which is just enough for XC tires they weigh an incredible 265 g per rim. "Downcountry" rig? A childhood spent messing about on, and then racing, BMXs eventually led to downhill and four-cross as an adult. But the remaining twenty percent requires most of our efforts. The Editors decision is final. All contributions are initially assessed by the editor. Maybe its a time you really want to beat on a trail section or maybe youve set a goal to one day lift a certain amount of weight at the gym. Going from 10 kg to 9 kg is quite alright, but if you want to have a bike weighing 8.5 kg you really need to put some thought into it. Theyre minimalistic to the extreme and to see paint on one is not something you can expect. Firstly, the frame construction around the shock and with the trunnion mount can be designed to be much more rigid, reducing movement and fostering more efficient power transfer. At one end they are threaded into the hub shell and at the other a threaded section goes through the rim and a nut sits on the inside of the rim to allow the spokes to be tensioned. Scott's Spark 940 is the perfect mountain bike for those looking for a lightweight MTB that is fast as it capable on different kinds of terrain. Cable housing can also be a hidden weight saver, and here I use a version with an aluminum core instead of steel. mini Rise / back sweep 8 degree / 760mm Syncros Pro lock-on grips, Syncros DC 2.0 Syncros Cable Integration System 0 degree rise / 6061 Alloy / 31.8mm / 1 1/8, Syncros Duncan Dropper Post 2.0 31.6mm / S & M size 125mm / L & XL size 150mm, Syncros - Acros Angle adjust & Cable Routing HS System +-0.6 degree head angle adjustment ZS56/28.6 ZS56/40 MTB, Formula CL-148M / 12x148mm / Micro Spline Syncros Axle w/Removable Lever with 6mm Allen, T30 and T25 Tools, Syncros X-30SE / 32H / 30mm Tubeless ready, Schwalbe Wicked Will 29x2.4 EVO Super Race / TLE / 67EPI / Addix Speed Soft, Schwalbe Wicked Will 29x2.4 EVO Super Race / TLE / 67EPI / Addix Speed Grip. The suspension remote is a standard Scott Twinloc but its running with the aluminum cable housing and synthetic fiber cables. Well, beyond the fact that it is fast, lightweight and ultra capable on all sorts of terrain, it's just damned good lookin'. At the rear there are small, hollow, tubular dropouts for a sleek Boost (148m) axle. All you must do is disassemble the bar, rotate the headset cups 180 degrees, and reassemble. Except for a lighter axle, the only changes made are a carbon fiber derailleur hanger and cable insert from Hopp Carbon Parts. The Rosso Corsa painted frame is a Scott Spark RC SL featuring 100 mm of remote controlled travel. All Rights Reserved. Accessing the shock via the bottom bracket area is facilitated through a hatch. The Maxxis Rekon tyres are the dual- (rather than triple) compound version and roll fast, but lack friction on damp surfaces compared to something like a Forekaster, which was also on test. In the design of piles partially embedded in rock, the main factors that influence the strength and deformability of the rock and the transmi Ennio Marques Palmeira, Jos Melchior Filho, Ewerton Clayton Alves Fonseca. Our integrated Suspension technology also helps us to engineer frames with a lower shock placement which lowers center of gravity. The authors must disclose any financial and personal relationships with other people or organizations that could inappropriately influence (bias) their work. beer this weekend. Another one of those things that feels just ridiculous to hold in your hand. FEA software enables us to create complete virtual prototypes incorporating all the physical phenomena that exist in real-world environments. The rims are also made in Germany by Bike Ahead Composites. What first catches your eyes is perhaps the quite massive looking stem. SYSTEM WEIGHT: 128 kgThe overall weight includes the bike, the rider, the equipment, and possible additional luggage. Soils and Rocks publishes papers in English in the broad fields of Geotechnical Engineering, Engineering Geology and Environmental Engineering. Trickstuff Piccola has been the lightest brakes on the market for several years now while still delivering a surprising amount of stopping power. Free standard shipping on orders of $50 or more (U.S. only). Free shipping on complete bike purchases (continental U.S. only). View our Cross Country Mountain Bikes or Trail Mountain Bikes buyer's guides. Head angle adjustable (+/- 6) by rotation of headset cups, HMF carbon front triangle, 6011 alloy swingarm, molded chainstay protection, FOX FLOAT DPS NUDE 5T, EVOL, 3-mode adjust via Scott TwinLoc 2 (Lockout, Traction Control, Descend), rebound adjust, trunnion mount, 165mm x 45mm, FOX FLOAT 34 Rhythm, GRIP damper, 3-mode adjust via Scott TwinLoc 2 (Lockout, Traction Control, Descend), rebound adjust, 44mm offset, Syncros/ACROS angle-adjust and cable routing HS System; +/- 0.6 head angle adjustment; ZS56/28.6 - ZS56/40 MTB, Syncros Fraser 2.0 DC, double-butted 6061 alloy, mini rise, 760mm width, 8 backsweep, 31.8mm clamp diameter, Syncros Fraser 2.0 DC, 6061 alloy, Cable Integration System, 0 rise, 31.8mm bar clamp, Shimano Deore M6120, 4-piston, Shimano RT64 CENTER LOCK 180mm rotors, Shimano Deore M6100, 12-speed, RAPIDFIRE PLUS, I-SPEC EV bracket, Shimano Deore XT M8100, 12-speed, SHADOW RD+, SGS cage, Shimano Deore M6100, 12-speed, 10-51 tooth, Syncros X-30SE, 30mm width, 32 hole, tubeless ready, Formula, CL-811 110x15mm Boost front, CL-148M 148x12mm Boost rear with MICRO SPLINE driver, Schwalbe Wicked Will, EVO, Super Race, Addix Speed Soft (front), Addix Speed Grip (rear), TLE, 29" x 2.4", Syncros Duncan 2.0 dropper, remote integrated with Scott TwinLoc 2 lever, Integrated Suspension Technology (rear shock located within frame, accessible via lower hatch), @cache_main: e9d414e610cef9334f12c35693e7221c. Its not all about numbers the bike had to look great as well. What we want to avoid are any inefficient directional movements, in other words, lateral movements (sideways to the direction of travel) as the shock goes through its compression. Short-travel trail bike? If the pointy looking rear end scares you off, they do also have a much rounder design model as long as you can live with that one being 20 grams heavier. Well, beyond the fact that it is fast, lightweight and ultra capable on all sorts of terrain, it's just damned good lookin'. And technical things like that aside, perhaps you prefer a heavier bike. Free ground shipping and free returns on orders of $50 or more (continental U.S. only). Get a Snycros iS Couple bottle cage when you subscribe to Mountain Biking UK today! The new issue 44(3) presents articles by invited speakers at the PanAM Unsat 2021 held in July 2021 in Rio de Janeiro. SUMMER SALE | Try 3 issues of Cycling Plus magazine for 5 + Get a pair of Lusso cycling socks! The brake caliper has also been redesigned for weight savings and performance improvements. Since I had decided that the total weight must include a GPS mount and a bottle cage there were of course grams to be saved in that area too. But even if certain components were to be changed or reinforced for say a 110 kg all around limit, it would still be a very lightweight bike. It looks weird from above, but enables Scott to maximise rigidity with a straighter, more continuous frame structure. With the new Spark, you can adjust the head angle by .6 degrees slacker or steeper. Its not a deal-breaker, but the seat angle tips your weight too far back, so your hips end up behind the crank axle, impacting on balance up steep climbs. In-stock and ships for free. In 2007, the journal acquired the status of an international journal, being since then published by the Brazilian Association for Soil Mechanics and Geotechnical Engineering and Portuguese Geotechnical Society under the title Soils and Rocks. Using a flex pivot in the seat stay is an ideal solution for bikes in this travel range. These should be declared in the cover letter of the submission. Certainly not the most performance oriented discs, I havent had any luck together with other brakes, but they do actually work very well with the Piccolas. MOUNTAIN BIKE - TRAIL A full suspension bike will never have success without, well, good suspension design. ENDURO MOUNTAIN BIKE To push it below 8kg, on the other hand, is downright difficult. In fact, the 60mm stem and shorter fork offset combine to dull the steering to the point Id prefer a more reactive feel. For us, it's the all new Spark 930. When you think of the perfect mountain bike, what comes to mind? Whatever, call it what you want to call it. |, Clean-cut and well-detailed frame with good mud clearance; outstanding pedalling efficiency when climbing out of the saddle; controlled suspension, TwinLoc system adds extra cables to a busy cockpit; Syncros wheels feel soft when leant over, Best mountain bike: how to choose the right one for you, HMF carbon fibre mainframe, alloy rear end, 120mm (4.7in) travel, Fox 34 Float Rhythm, 120mm (4.7in) travel, w/ TwinLoc remote. The same goes for complete stock bikes with price tags that would make even your favorite dentist think twice before buying. Truly super light bikes tend to have a literally raw and stripped down look. While the 12-speed NX Eagle drivetrain has good range, SRAMs cranks can flex under hard loads and the NX cassette is a noticeable weight on the rear wheel. Designing and building a lightweight yet strong carbon frame is of course a science in itself, but the short version is that a higher quality carbon fiber means less material/resin and combined with a good layup design it results in a top level frame. Scott's Genius 910 is a mountain bike that is ready to tackle any trail, any time. The Journal adopts continuous publication of papers with 4 issues per year in printed (ISSN 1980-9743) and electronic (ISSN-e 2675-5475) version. While supplies last, save on gray-light-gray-colored Arkos bikes at Alchemy Bikes. The trick to it is that its made with hollow carbon tubes which makes it surprisingly strong and stiff. Maybe you want your savings account to one day display a certain figure or maybe you really look forward to that 6-pack of (non alcoholic, right?) Having an integrated shock allows us to improve this in several ways. Both the B-knuckle and parallelogram come from Hopp, as do the carbon fiber pins replacing the steel pins usually holding the parallelogram itself together. But were getting all technical here. Check out! Eliu James Carbajal, Mariana dos Santos Diniz, Roberto Lorenzo Rodriguez-Pacheco, Andr Lus Brasil Cavalcante, Bosco Intriago lvarez, Hernn Bazurto Palma, Davide Besenzon, Xavier Vera-Grunauer, Sara Amoroso. Guest editors Prof. Fernando Saboya and Prof. John McCartney present the special issue 45(1) that features new developments on Thermal Applications in Geotechnical Engineering. Jos Camapum de Carvalho, Gilson de F. N. Gitirana Jr. Nilo Cesar Consoli; Eclesielter Batista Moreira; Lucas Festugato; Gustavo Dias Miguel. UPGRADE TO SRAM GX EAGLE AXS REAR DERAILLEUR AND SHIFTER FOR ONLY. For us, it's the all new Spark 930. The weight had to include pedals, GPS mount, bottle cage and not to forget proper tires. An efficient and durable method because this way they dont have to mold threaded inserts into the stem. All content of the journal, except where identified, is licensed under a Creative Commons attribution-type BY. Stock it weighs around 245 g, but after a lot of work it came in at 179.9 g. The pulley wheels were changed to Extralite, but most of the weight savings needs to be credited to carbon upgrades. You get neat cable routing, plus room for big 2.6in rubber out back, which translates to excellent mud clearance for normal tyres. He came back just shaking his head, saying It was like accelerating on a road bike. And it sure is worth taking that closer look because there are interesting details in abundance. The Spark range spans from pure-cross-country race whippets to capable 120mm bikes, all of which share neat chassis details and a unique three-way TwinLoc system that lets you remotely control the suspension at both ends via clever cabling. Also, that includes some 70 grams of beautiful red paint. MOUNTAIN BIKE - CROSS - COUNTRY - WOMENS, Scott: Ransom 930 - 2022 Papers deemed suitable are then sent to a minimum of two independent expert reviewers to assess the scientific quality of the paper. Scott's Spark 950 is a capable mountain bike, with its fully integrated frame and Shimano XT 4 Piston Brakes, and Schwalbe tires, this MTB is an excellent choice for riding Scott: Genius 930 - 2022 To put this number in perspective its around 15-20% lighter than most XC full suspension bikes that you see under World Cup riders. Rainy race? The Spark 970 is an excellent mountain bike if you're looking for a lightweight MTB and to go fast on different kinds of terrain Scott: Spark 960 - 2022 They spin well though, likely due to the freer, cup-and-cone bearings in their Shimano hubs. Running no quick release I could also remove the little plate and screw that holds the threaded axle insert in place, saving a couple of grams while also making it look a lot cleaner. Submissions to the journal are completely free and all published papers are free to use. So that meant a no-cheating and no-shortcuts approach. Why, you ask? Adj., travel 120-80-lockout, T165X45mm, Remote System: SCOTT TwinLoc 2 Technology Suspension & dropper remote, Rear Derailleur: Shimano XT RD-M8100 SGS, Shadow Plus, 12 Speed, Shifters: Shimano Deore SL-M6100-IR, Rapidfire Plus, Ispec EV clamp, Crankset: Shimano SLX FC-M7120-1, Hollowtech 2, 55mm CL, 32t, Bottom Bracket Set: Shimano BB-MT500 shell 41x92mm, Cassette: Shimano Deore CS-M6100-12 10-51 T, Brakes: Shimano Deore M6120 4 Piston Disc, Handlebar: Syncros Fraser 2.0 DC Alloy 6061 D.B. This makes it easy to adjust rebound, compression, shock pressure, and for installing or replacing the cable for our TwinLoc Suspension System.