2026 Checkpoint SL 6 AXS Gen 3

Checkpoint SL 6 AXS Gen 3 is a carbon gravel bike ready for far-out adventures. Its lightweight carbon frame is designed with comfort-focused Gravel Endurance geometry, clearance for beefy 50mm tires (as measured), and plenty of frame and fork mounts. Plus, IsoSpeed frame technology helps soak up jarring road vibrations, so you can you float over chatter and potholes. It's ready to cut loose with a SRAM Rival AXS E1 wireless 13-speed groupset.

Overview

^Frame: ^{500 Series OCLV Carbon, IsoSpeed, downtube storage door, hidden fender mounts, rack mounts, integrated frame bag mounts, RCS Headset System, invisible cable routing, T47, flat mount disc, integrated chainkeeper, removable FD hanger, UDH, 142x12mm chamfered thru axle}
^Fork: ^{Trek Checkpoint, full carbon, tapered steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle}

^Weight: ^{ML - 9.49 kg / 20.93 lbs (with TLR sealant, no tubes)}
^{Weight limit}: ^{This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg).}

^Battery: ^{SRAM AXS battery pack (with charger)}

^Shifter: ^{SRAM Rival AXS, 13 speed}
^{Rear derailleur}: ^{SRAM Rival XPLR AXS, 46T max cog}
^*Crank: ^{Size: XS, S}

^{SRAM Rival XPLR, 40T, DUB Wide, 165mm length}

^{Size: M}

^{SRAM Rival XPLR, 40T, DUB Wide, 170mm length}

^{Size: ML, L}

^{SRAM Rival XPLR, 40T, DUB Wide, 172.5mm length}

^{Size: XL}

^{SRAM Rival XPLR, 40T, DUB Wide, 175mm length}
^{Bottom bracket}: ^{SRAM DUB Wide, T47 threaded, internal bearing}
^Cassette: ^{Sram Rival XPLR XG-1351, 10-46, 13 speed}
^Chain: ^{SRAM Rival E1, 12/13 speed}
^{Max chainring size}: ^{1x:44 2x: 46/30}

^{Wheel front}: ^{Bontrager Paradigm Comp 25, Tubeless Ready, 25 mm rim width, 100x12 mm thru axle}
^{Wheel rear}: ^{Bontrager Paradigm Comp 25, Tubeless Ready, 25mm rim width, SRAM XD-R 12-speed freehub, 142x12 thru axle}
^{Skewer front}: ^{Bontrager Switch chamfered thru axle}
^{Skewer rear}: ^{Bontrager Switch chamfered thru axle, removable lever}
^Tire: ^{Bontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42mm}
^{Tire part}: ^{Bontrager TLR sealant, 180 ml/6 oz}
^{Rim strip}: ^{Bontrager TLR}
^{Max tire size}: ^{50mm without fenders, 42mm with fenders (as measured, see manual for details)}

^Saddle: ^{Verse Short Comp, steel rails, 145mm width}
^Seatpost: ^{Bontrager carbon, 27.2mm, 8mm offset, 330mm length}
^*Handlebar: ^{Size: XS, S}
^{Bontrager Elite Gravel, alloy, 40cm width}

^{Size: M, ML}
^{Bontrager Elite Gravel, alloy, 42cm width}

^{Size: L}
^{Bontrager Elite Gravel, alloy, 44cm width}

^{Size: XL}
^{Bontrager Elite Gravel, alloy, 46cm width}
^{Handlebar tape}: ^{Bontrager Supertack Perf tape}
^*Stem: ^{Size: XS}

^{Bontrager Pro, 31.8mm, Blendr compatible, 7 degree, 70mm length}

^{Size: S, M}

^{Bontrager Pro, 31.8mm, Blendr compatible, 7 degree, 80mm length}

^{Size: ML, L}

^{Bontrager Pro, 31.8mm, Blendr compatible, 7 degree, 90mm length}

^{Size: XL}

^{Bontrager Pro, 31.8mm, Blendr compatible, 7 degree, 100mm length}
^{Brake rotor}: ^{SRAM Paceline, rounded, centerlock, 160mm}
^{Rotor size}: ^{Max brake rotor sizes: 180mm front & rear}