Description Checkpoint SL 5 is a carbon gravel bike made for epic all-road adventures. It's built with lightweight OCLV Carbon, terrain-smoothing IsoSpeed, nimble-yet-stable progressive geometry, internal storage and loads of mounts. All of that adds up to a rad gravel bike capable of crushing the longest, roughest rides and the most ambitious bikepacking trips. The IsoSpeed decoupler soaks up fatiguing bumps without bouncing you around All-new progressive geometry is quick and nimble yet keeps you stable and in control on fast, choppy descents A sleek internal storage compartment gives you a versatile spot to stow tools and gear Massive tyre clearance means you can use tyres up to 45 c for extra traction and stability in any conditions Integrated frame bag mounts and rack and mudguard mounts make it easy to carry gear and water Specs Frame 500 Series OCLV Carbon, IsoSpeed, internal cable routing, downtube storage door, 3S chain keeper, T47 BB, rack and mudguard mounts, integrated frame bag mounts, flat-mount disc, dropper post compatible, 142x12 mm thru axle Fork Trek Checkpoint, full carbon, tapered carbon steerer, rack mounts, mudguard mounts, flat-mount disc, 12x100 mm thru-axle Frame fit Gravel Hub front Bontrager alloy, sealed bearing, CenterLock disc, 100x12 mm thru axle Skewer front Bontrager Switch thru axle, removable lever Hub rear Bontrager alloy, sealed bearing, CenterLock disc, Shimano 11-speed freehub, 142x12 mm thru axle Skewer rear Bontrager Switch thru-axle, removable lever Rim Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21 mm width, Presta valve Tyre Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700x40 c Rim strip Bontrager Aeolus XXX rim strip Max tyre size 700x45c / 650x2.1" Bontrager tyres Shifter Shimano GRX hydraulic disc Front derailleur Shimano GRX RX810, braze-on Rear derailleur Shimano GRX RX810, long cage, 34T max cog *Crank Size: 49Shimano GRX RX600, 46/30, 165 mm length Size: 52Shimano GRX RX600, 46/30, 170 mm length Size: 54, 56Shimano GRX RX600, 46/30, 172.5 mm length Size: 58, 61Shimano GRX RX600, 46/30, 175 mm length Bottom bracket Praxis, T47 threaded, internal bearing Cassette Shimano 105 HG700-11, 11-34, 11 speed Chain Shimano 105 HG601, 11-speed Max. chainring size 1x: 46T, 2x: 50/37 (Shimano: 36) *Saddle Size: 49, 52Bontrager Verse Comp, steel rails, 155 mm width Size: 54, 56, 58, 61Bontrager Verse Comp, steel rails, 145 mm width Seatpost Bontrager carbon, 27.2 mm, 8 mm offset, 330 mm length *Handlebar Size: 49Bontrager Elite Gravel, 38 cm width Size: 52Bontrager Elite Gravel, 40 cm width Size: 54, 56Bontrager Elite Gravel, 42 cm width Size: 58, 61Bontrager Elite Gravel, 44 cm width Handlebar tape Bontrager Supertack Perf tape *Stem Size: 49Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length Size: 52, 54Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length Size: 56, 58Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length Size: 61Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 100 mm length Brake Shimano RX400 hydraulic disc Brake rotor Shimano RT70, CentreLock, 160 mm Rotor size Max brake rotor sizes: 160 mm front and rear Bag Bontrager BITS Internal Frame Storage Bag Weight 56 - 9.70 kg/21.39 lbs Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb).