Wheels: Front hub - Bontrager alloy, Boost110 Rear hub - Bontrager alloy, Boost148 Rims: SUN Ringle Duroc 50 SL 28-hole, tubeless strips and valves included Tires: Bontrager XR2 Team Issue, Tubeless Ready, 120 tpi, aramid bead, 29x3.00˝ Shifters: Shimano Deore M6000, 10 speed Rear derailleur: Shimano Deore M6000, Shadow Plus Crank: FSA Gamma Pro, 28T Bottom bracket: PF92 Cassette: Shimano HG50, 11-42, 10 speed Chain: KMC X10 Saddle: Bontrager Arvada Seatpost: Dropper post, 31.6mm, internal routing Handlebar: Bontrager alloy, 31.8mm, 15mm rise, 750mm width Grips: Bontrager XR Trail Comp, nylon lock-on Stem: Bontrager Rhythm Comp, 31.8mm clamp, 0 degree Head set: FSA IS-2, 1-1/8˝ top, 1. Specifications Frame: Alpha Platinum Aluminum, Boost148, Midstay, tapered head tube, internal derailleur & dropper post routing, Stranglehold dropouts, G2 Geometryįront suspension: Manitou Machete 32 Comp, air spring, ABS damper, lockout, tapered steerer, Boost110, G2 Geometry w/51mm offset, 120mm travel Yet it delivers all the 29er benefits that you know and love, like greater momentum and improved rollover. Trek Farley 7, Norco Sasquatch or Iquatah, Rocky Mountain Blizzard, Salsa Muklukįull specs here: 29+ is a wider 3" tyre that grips relentlessly while floating over terrain. Ideally trade plus cash for an XL front suspension fatbike. All original equipment and in perfect condition. New price with tax is over $2500 to setup tubeless. Bought new this year (Aug 2018) and have receipt and warranty. The larger bore diameter means broader crank compatibility (standard BSA is best suited to thinner 24mm spindles as space is limited).Trek Stache 5 - XL - 29er with 3" tires. It’s essentially a super-sized version of the familiar BSA threaded bottom bracket and with that comes easy user-serviceability and a frame-cup interface that isn’t inherently liable to creaking. T47 should, at least in principle, be easier to live with. It actually felt comfortable out of the box, however, I would have traded. It’s built with wide bars, 1×11, avid brakes, and Chupacabra 3.0 tires. I got these for my TREK Stache 7 to replace the original Bontragers. The head angle of the bike is fairly steep and the chainstays are short with 420mm on the big wheel size. amazon.sa Return Policy: Regardless of your statutory right of withdrawal. Is T47 genuinely better?īB90 is a system that looks elegant on paper, but one that relies on very tight tolerances and liable to problems if the bearing seats suffer from wear. I had the opportunity to ride the Trek Stache 7 29+ hard tail, a 2600 complete bike. These are oversized cartridge bearings that measure 0.1mm more in diameter than the standard part it’s a simple solution, but one that, in my opinion, is a product of an inherently flawed design. Trek’s ‘V2’ bearing is a bit of a sticking plaster for baggy BB90 bottom brackets Thomas McDaniel / Immediate MediaĪ few years ago, Trek released a ‘V2’ bottom bracket bearing as a solution for frames where the bearing fit had gone a bit baggy. If they get too loose, creaking is all but inevitable, and that’s why some maintenance guides endorse the use of Loctite-style compounds to prevent bearing movement. Park Tool describes BB90 bearings as “a mild press fit” - they typically don’t require as much force to insert as a conventional press-fit and, in some frames, the bearings will actually slip in by hand. With BB86/92 (and the larger but conceptually similar PF30 design), the bottom bracket cups are disposable, but if the bearing seats of a BB90 frame suffer damage or wear, that’s a much bigger problem. You can read our complete guide to bottom brackets here.īB90 bearing placement is the same as that of BB86/92 (and it accepts the same cranks), but the bearing cups effectively form part of the frame rather than the bottom bracket. Often confused with the ‘Shimano standard’ BB86/92 (which a number of Trek’s bikes do use), BB90 (and its MTB counterpart BB95) is a proprietary Trek standard wherein cartridge bearings sit directly in moulded carbon seats in the bottom bracket shell. BB90 was notable for the way it made use of every mm of available width James Huang / Immediate Media
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