Replacing the normally fixed joint where the top tube meets the down tube, the IsoSpeed decoupler is essentially a pivot that allows the seat tube to flex independently of the rest of the frame. Sign in now for faster checkout. No match. Oh, dear. Why is building in MORE flex on an aluminum frame member a good idea? Free shipping on orders over $60 (contiguous U.S. only). My local trail network is pretty rough and rocky, and on a hardtail it can really take its toll on your body, especially your lower back. When the bike first arrived I was a bit worried that its effect would be diminished due to the change in frame material, but it didnt take long for that to pass. Ride quality is affected any number of things and a LOT more complicated than the frame material. We've sent you an email to reset your password. Alpha Platinum Aluminum, IsoSpeed, tapered head tube, internal derailleur routing, balanced post mount brake, 12mm thru axle, Matte/Gloss Black / Medium/Large / 29-inch. For a better experience, please enable JavaScript in your browser before proceeding. While using this tool, Luxottica will process your personal data, in particular your image. $243 shipped from ebay. This is not a case of me-too-ism, instead, Trek has worked to tune these lower end bikes to make the most out of this technology. If you believe that That first really special bike this was mine, My Journey with Lance (the day the running stopped), Alpha Platinum Aluminum, IsoSpeed, tapered head tube, internal derailleur routing, balanced post mount brake, 12mm thru axle. As weve previously reported with the higher-end carbon Procaliber, and Treks road bikes for that matter, the decoupler definitely adds some tangible softness to the rear end. Personally I would not buy a Aluminum HT frame these days. Based around Boost hub spacing, theres no lateral flex to be found in the wheels, or the frame for that matter. a lender and offers finance from a restricted range of finance providers. Prices and offers are subject to change. I had originally thought about going with a Top Fuel, but I think it may overlap with the Fuel Ex to the point where one of those two bikes collects dust. Alpha Platinum Aluminum, IsoSpeed, tapered head tube, internal derailleur routing, balanced post mount brake, 12mm thru axle. Combined with the geometry it allows for an aggressive position while still providing plenty of leverage to muscle the bike around. Both I used for commuting, roughly 150mi a week without a flaw. Procaliber AL Frameset is a race-worthy cross country mountain bike with the unique advantage of IsoSpeed, a decoupler at the top tube/seat tube junction that provides additional compliance on rough trails. Didn't receive the email? Anyways, I'm thinking about going with the Trek Procaliber (other suggestions welcome) and I've narrowed it down to picking up the Procaliber 9.7 and leaving it stock or building up a custom bike using the aluminum Procaliber frame as the base. Procaliber AL Frameset includes a headset and is designed for a PF92 bottom bracket, post-mount disc brakes, and Boost148 wheels.The final wordProcaliber AL is a lightweight aluminum mountain bike frameset built in Trek's trail heritage. For further information please read our, Trek Alpha Platinum Aluminium, IsoSpeed, tapered head tube, internal derailleur routing, balanced post-mount brake, Boost148, 12mm thru-axle, 29 x 2.4 27.5 x 2.4 (size XS and S), Trek Procaliber AL Mountain Bike Frame 2021. Adapt, overcome, and marvel at the Trek quality. Not sure of your password? Copyright 2022 Bikerumor, All Rights Reserved. With the vertical compliance relying on flex in the seatpost rather than the seatstays, the rear feels stiff and snappy, and no energy is wasted with increases in power. For further information please read ourPrivacy Policy. Those were the 9.6 & 9.7 model levels on the 2017 models. This site uses Akismet to reduce spam. So how does it translate to the alloy frame? Thank you for using the Virtual Mirror provided by Luxottica. Is it some sort of alloy or something? V12 Retail Finance is a trading name of Secure Trust Bank PLC. Coming from a ski background, his father a former European pro convinced him to try collegiate crit racing. PayPal Credit is a trading name of PayPal (Europe) S. r.l. UK residents only. Would you like to receive offers, updates and events from BikeRadar and its publisher Our Media Ltd (an Immediate Group Company)? Utilizing Treks Smart Wheel Size, the 13.5 and 15.5 frames roll on 27.5 wheels while the remaining larger sizes all see 29 hoops. For racing this is ideal to prevent any loss of power, but without race plates something a bit more supple is appreciated. Two years ago, Trek took the edge of their XC hardtail by introducing an IsoSpeed decoupler equipped Procaliber SL. Come join the discussion about bike parts, components, deals, performance, modifications, classifieds, trails, troubleshooting, maintenance, and more! If you throw something with a bit more substantial tread on the front, the XR2 would make for a fantastic rear tire. Before that it was good just nothing special. I havent worked with Santa Cruz so I cant speak about them. Based in Ohio, Zach is now slowly introducing a new generation to cycling and still trying to figure out how to fit the most rides into a busy schedule as a new dad. (Probably not). I'm considering picking up a XC Hardtail to compliment my 2016 Fuel Ex 8. Maybe youre not as informed as you think? Im also quite happy to see Trek including the tubeless rim strips for the Duster Elite hoops in the box, all you need is valves and sealant for a quick tubeless setup. Here's any idea of how I would build up the Aluminum frame. Its entirely possible that this design increases frame life. Finance provided by PayPal Credit and V12 Retail Finance, Terms and Conditions apply. Trek is adamant that the Procaliber is not a soft tail. Sounds like someone needs to head to Treks in-house tech classes to learn how to work on that stuff. The processing of your image is needed to allow you to use Virtual Mirror. Trek has done well to trickle the IsoSpeed technology into its lower end aluminium frames without compromising its advantage, IsoSpeed decoupler adds tangible rear end softness; stiff frame; compact rear end, Treks Procaliber 8 is the highest spec alloy model, There is a 2x Race Face Next R crank at the front, And 11-speed Deore XT derailleur at the back, The most exciting feature on this frame is the IsoSpeed decoupler, Seating arrangements are provided by a Bontrager Montrose Comp, The 80mm stem and wider 720mm bars are very on trend, The RockShox Reba fork gets a bar-mounted lockout, The spring rate of the Reba is a little stiff, The Shimano MT5000 brake set offers consistent braking with plenty of power and modulation on tap, There is a mix of internal and external cable routing, While the 2x drivetrain worked flawlessly, a 1x system would have been welcome, The Duster Elite and XR2 Team Issue rubber pair well, Softtail shootout: BMC Teamelite vs Trek Procaliber, Best mountain bike: how to choose the right one for you, Softtail shootout: BMC Teamelite vs. Trek Procaliber, Shimano SLX M7000 11-speed transmission review. I just ordered a BXT frame last week to upgrade my kids bike, and it showed up in a week!, looks pretty good too. Free shipping on orders over $50 (contiguous U.S. only). He has been writing about whats new in the bicycle world for 12+ years. Although his bright socks say full roadie, he can often found exploring singletrack or grinding down a gravel road. If I were getting an aluminum hardtail, it'd be the Specialized Chisel. Down near the bottom bracket the seat tube has a cutout resembling what youd expect to see on an aero road bike. The two smallest sizes are built for use with 27.5" wheels with 29" fitting the rest of the range so that all riders can enjoy a balanced geometry with sweet handling. $700 road bike for $300? The frame is heart of the bike and if you start with a light frame all things can be updated later. ISOSpeed just sucks and is flimsy. Is it OK? How does the isostay on the Al work? It's 3lbs even on my fish scale in XL size, I'm going to weigh it properly soon. This, in combination with the relatively compact 435mm chainstays makes the rear wheel feel as though its directly beneath your derriere, and the bike corners like a heat-guided missile, especially on tight uphill bends. 20 years have gone by. Procaliber AL Frameset includes a headset and is designed for a PF92 bottom bracket, post-mount disc brakes, and Boost148 wheels.The final wordProcaliber AL is a lightweight aluminum mountain bike frameset built in Trek's trail heritage. The Procaliber 8 is the highest spec alloy version of the frame and, without bottle cages or pedals, it tipped our scales at 11.63kg /25.63lbs not super light, but not all that heavy either. Procaliber AL Frameset is a race-worthy cross country mountain bike with the unique advantage of IsoSpeed, a decoupler at the top tube/seat tube junction that provides additional compliance on rough trails. In case you want to save your image after the experience, the image will be stored only on your device and it won't be accessed by Luxottica or Sigma Sports. We use cookies to give you the best customer experience possible. As a mechanic who has worked in Cannondale, Specialized, Santa Cruz etc. shops Trek has the highest junk to price ratio. You're not considering chinese carbon hardtail frames? To create your new password, click the link in the email and enter a new one. Procaliber AL Frameset is a race-worthy cross country mountain bike with the unique advantage of IsoSpeed, a decoupler at the top tube/seat tube junction that provides additional compliance on rough trails. It's fast, responsive, and it comes in at a great value, but the biggest advantage is the trail-smoothing IsoSpeed decoupler, which takes the edge off fatiguing bumps in the trail so you can stay stronger longer.Why you'll love it- The IsoSpeed decoupler makes it ride smoother than any other hardtail, so your body doesn't get beat up by trail chatter- Internal cable routing extends the life of your cables and adds to the bike's sleek look- This Alpha Platinum Aluminum frame is race-light and trail-toughWheel size:Sizes X-SmallSmall: 27.5-inchSizes MediumXX-Large: 29-inch. Already have an account with us? I honestly doubt theres any wind cheating advantage here, instead this is where the tube is tuned to flex and soak up some of the trail noise. Free standard shipping on orders of $50 or more (U.S. only). The 36/26 front chainrings and 11-42 11-speed cassette provide oodles of range, though a 1x system would be a welcome upgrade. Support us! Learn how your comment data is processed. Free standard shipping on orders over $49. I can honestly say in the past 5-6 years Trek has made some of the best product out there. Combined with the 100mm fork and a 51mm offset, the big wheeled Procaliber 8 was nimble at low speeds when things got technical, while still offering a stable, confident platform to attack corners and berms at high speed. Please enter your registered email address below and we'll send you an email explaining the next step. So Aluminum has no fatigue limit, which means it *will* fail after a certain amount of flex. But the others I have. The real value is the way the bike handles small bumps and general trail vibrations that would otherwise make their way up to the saddle. We are Canadas top trek dealer, and as such we see Treks EVERY day. Procaliber AL Frameset includes a headset and is designed for a PF92 bottom bracket, post-mount disc brakes, and Boost148 wheels.The final wordProcaliber AL is a lightweight aluminum mountain bike frameset built in Trek's trail heritage. It's fast, responsive, and it comes in at a great value, but the biggest advantage is the trail-smoothing IsoSpeed decoupler, which takes the edge off fatiguing bumps in the trail so you can stay stronger longer.Why you'll love it- The IsoSpeed decoupler makes it ride smoother than any other hardtail, so your body doesn't get beat up by trail chatter- Internal cable routing extends the life of your cables and adds to the bike's sleek look- This Alpha Platinum Aluminum frame is race-light and trail-toughWheel size:Sizes X-SmallSmall: 27.5-inchSizes MediumXX-Large: 29-inch, Alpha Platinum Aluminum, IsoSpeed, tapered head tube, internal derailleur routing, balanced post mount brake, 12mm thru axle. Is owning a bike shop awesome, every single day? The aluminum Procaliber will also be available as a frame only for $1,099.99, and it has a claimed weight of 4.4 lbs/2kg for a 17.5 frame. Lots of their high end bikes (Fuels, other MTBS, ETC) are just junky compared to other brands comparatively priced bikes. L-2449, Luxembourg. It looks like you've already got an account! Ive worked shops for 20 plus years. Free shipping on complete bike purchases (continental U.S. only). We have never had an isospeed decoupler fail while being ridden. The Procaliber is based around Treks G2 geometry and custom fork offset, which for my 18.5-inch test ride came in the from of a 69.3-degree head angle, 72.5 seat angle, stumpy 9cm head tube and low 31.1cm bottom bracket slightly longer and slacker then its predecessor the Superfly. Apparently you should revisit your standards, friend. Sign up for our newsletter and save 10 on your first order over 100 or 25 on orders over 250. Get a Snycros iS Couple bottle cage when you subscribe to Mountain Biking UK today! BikeRumor may earn a small commission from affiliate links in this article. Its still a hardtail when you head for a rock garden or rough section, its still going to ping off rocks same as any rigid frame will. I know on the road side of things the Emonda SL frame isn't any better than the Emonda ALR frame, really you need to go to the SLR frame. View our Cross Country Mountain Bike Frames buyer's guide. I've never owned a carbon bike, but I've also never had any complaints with my aluminum bikes.I could also step up the custom build and go to the carbon frame for an extra $500, but I'm not sure if it's worth it. Reset using the link below. The Alpha Platinum Aluminium tubes make the frame super responsive to pedalling inputs whilst the clever IsoSpeed decoupler design adds extra plushness to the bike across rough terrain. At the back, the carbon seatpost furthers the IsoSpeed decouplers vibration damping work, and the Montrose Comp saddle seems to mesh well with my behind. Using similar technology to their road and cross bikes, the Procaliber benefited from increased compliance due to the separation of the top tube and seat tube. Mon - Fri: 11:00am - 6:00pmSat: 10:00am - 5:00pmSun: Closed, Procaliber AL Frameset is a race-worthy cross country mountain bike with the unique advantage of IsoSpeed, a decoupler at the top tube/seat tube junction that provides additional compliance on rough trails. Its important to reiterate that this Procaliber 8 is still a hardtail, and while the decoupler does well to take the square edge off bumps, its not a rear shock. Speed is your main consideration, but comfort is right up there, too.The tech you getA lightweight Alpha Platinum Aluminum frame with IsoSpeed, a tapered head tube, and internal derailleur routing. What are you basing this claim on? Select the store you visit most frequently below and their stock information will show on product pages. I crashed on my Carbon Fiber bike. It's fast, responsive, and it comes in at a great value, but the biggest advantage is the trail-smoothing IsoSpeed decoupler, which takes the edge off fatiguing bumps in the trail so you can stay stronger longer.Why you'll love it- The IsoSpeed decoupler makes it ride smoother than any other hardtail, so your body doesn't get beat up by trail chatter- Internal cable routing extends the life of your cables and adds to the bike's sleek look- This Alpha Platinum Aluminum frame is race-light and trail-toughWheel size:Sizes X-SmallSmall: 27.5-inchSizes MediumXX-Large: 29-inch, All Rights Reserved Policies & Shipping Privacy Accessibility, Alpha Platinum Aluminum, IsoSpeed, tapered head tube, internal derailleur routing, balanced post mount brake, 12mm thru axle. Sigma Sports 2022. My Boone is stiff as a board. Wow, didn't realize they were that heavy. Sign in to manage your newsletter preferences. Free shipping and free 100-day returns on all U.S. orders. Mon - Fri: 10:00am - 7:00pmSat: 9:00am - 6:00pmSun: Closed, Procaliber AL Frameset is a race-worthy cross country mountain bike with the unique advantage of IsoSpeed, a decoupler at the top tube/seat tube junction that provides additional compliance on rough trails. It's fast, responsive, and it comes in at a great value, but the biggest advantage is the trail-smoothing IsoSpeed decoupler, which takes the edge off fatiguing bumps in the trail so you can stay stronger longer.Why you'll love it- The IsoSpeed decoupler makes it ride smoother than any other hardtail, so your body doesn't get beat up by trail chatter- Internal cable routing extends the life of your cables and adds to the bike's sleek look- This Alpha Platinum Aluminum frame is race-light and trail-toughWheel size:Sizes X-SmallSmall: 27.5-inchSizes MediumXX-Large: 29-inch, Plenty of garage parking available behind building. Free shipping on orders of $99 or more (U.S. only). With the small knobblies they roll along almost effortlessly but there is a definite trade off when it comes to braking and cornering traction. There are specific procedures that Trek provides techs to follow. It allows the seat tube to move more than normal to better absorb bumps without compromising power transfer. So, admit that we have no real idea. Free ground shipping on orders over $50 (U.S. only). Thoughts? Choose another country to see content and pricing specific to your location and shop online. I prefer the Boone, but the Domane was way more comfortable. All measurements are provided in mm unless otherwise noted. Carbon will ride better and be lighter, BUT look also at the weights of carbon as there are some carbon frames that are still a bit heavy. JavaScript is disabled. The processing of your image is needed to allow you to use Virtual Mirror.