{"@context":"http:\/\/schema.org\/","@id":"\/products\/trek-checkpoint-alr-5-gen-3#product","@type":"ProductGroup","brand":{"@type":"Brand","name":"Trek"},"category":"Road Bikes","description":"\n\nThe Checkpoint ALR 5 is an aluminium gravel bike built for venturing anywhere. It pairs modern endurance geometry with a carbon fork for road-smoothing comfort, while 50 mm of tyre clearance gives you room for tons of grip. It comes equipped with SRAM Apex XPLR 12-speed shifting, hydraulic disc brakes, Tubeless Ready Bontrager Paradigm wheels and loads of mounts for bags and gear.\n \n\n*Please note – spec applies to all sizes unless listed separately\n\nFrameset\n\n\n\nFrame\n\n\n300 Series Alpha Aluminium, Internal cable routing, 3S chain keeper, T47, UDH, rack and mudguard mounts, integrated frame bag mounts, flat-mount disc, 142x12 mm chamfered thru axle\n\n\nFork\n\n\nTrek Checkpoint, full carbon, tapered steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle\n\n\n\n\n\n\n\nWeight\n\n\n\nWeight\nML – 9.87 kg\/21.76 lb (with TLR sealant, no tubes)\nWeight limit\nThis bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb).\n\n\n\n\n\nDrivetrain\n\n\n\nShifter\n\n\nSRAM Apex, 12 speed\n\n\nRear derailleur\n\n\nSRAM Apex XPLR, 44T max cog\n\n\n*Crank\n\n\nSize: XS, S\nSRAM Apex 1, 40T, DUB Wide, 165 mm length\n\n\nSize: M, ML\nSRAM Apex 1, 40T, DUB Wide, 170 mm length\n\n\nSize: L, XL\nSRAM Apex 1, 40T, DUB Wide, 172.5 mm length\n\n\nBottom bracket\n\n\nSRAM DUB Wide, T47 threaded, internal bearing\n\n\nCassette\n\n\nSRAM XPLR PG-1231, 11-44, 12-speed\n\n\nChain\n\n\nSRAM Apex, 12-speed\n\n\nMax. chainring size\n1x:44 2x: 46\/30\n\n\n\n\n\nWheels\n\n\n\nHub front\n\n\nBontrager alloy, sealed bearing, CentreLock disc, 100x12 mm thru axle\n\n\nSkewer front\n\nBontrager Switch chamfered thru axle\n\nHub rear\n\n\nBontrager alloy, sealed bearing, CentreLock disc, Shimano 11-speed freehub, 142x12 mm thru axle\n\n\nSkewer rear\n\nBontrager Switch chamfered thru axle, removable lever\n\nRim\n\n\nBontrager Paradigm 23, Tubeless Ready, 24-hole, 23 mm width, Presta valve\n\n\nSpokes\n\n\n14 g stainless steel, black\n\n\nTyre\n\n\nBontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42 mm\n\n\nTyre part\n\n\nBontrager TLR sealant, 180 ml\/6 oz\n\n\nMax tyre size\n50 mm without mudguards, 42 mm with mudguards (as measured, see manual for details)\n\n\n\n\n\nComponents\n\n\n\nSaddle\n\nVerse Short Comp, steel rails, 145 mm width\n\nSeatpost\n\n\nBontrager alloy, 27.2 mm, 12 mm offset, 330 mm length\n\n\n*Handlebar\n\n\nSize: XS, SBontrager Elite Gravel, alloy, 40 cm width\n\n\nSize: M, MLBontrager Elite Gravel, alloy, 42 cm width\n\n\nSize: LBontrager Elite Gravel, alloy, 44 cm width\n\n\nSize: XLBontrager Elite Gravel, alloy, 46 cm width\n\n\nHandlebar tape\n\n\nBontrager Supertack Perf tape\n\n\n*Stem\n\n\nSize: XSBontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length\n\n\nSize: S, MBontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length\n\n\nSize: ML, LBontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90mm length\n\n\nSize: XLBontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 100mm length\n\n\nBrake\n\n\nSRAM Apex D1 hydraulic disc, flat mount\n\n\nBrake rotor\n\n\nSRAM Paceline, rounded, CentreLock, 160 mm\n\n\nBrake lever\n\n\nSRAM Apex, 12 speed\n\n\nRotor size\nMax brake rotor sizes: 180 mm front and rear\n\n\n\n\n\nWe reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts m