Trek Checkpoint ALR 4 Gen 3 2026 Gravel Bike

The Checkpoint ALR 4 is an aluminium gravel bike perfect for dipping your toes into the roads less travelled. Its modern endurance geometry keeps you comfortable over gravel roads and potholes, and 50 mm tyre clearance gives you room for extra grip.

It comes equipped with a carbon fork, Bontrager Paradigm wheels, 11-speed Shimano CUES 8000 shifting, hydraulic disc brakes and loads of mounts for bags and gear. Specifications Frameset Frame: 300 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 Fork: Trek Checkpoint, full carbon, tapered steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle Wheels Rims: Bontrager Paradigm 23, Tubeless Ready, 24-hole, 23 mm width, Presta valve Tyres: Bontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42 mm Drivetrain Crankset: Shimano CUES FCU60301, 40 T ring, 165 - 172.5 mm length Shifters: Shimano CUES U6030, 11-speed Rear Derailleur: Shimano CUES U8000 GS Chain: Shimano LG500 Cassette: Shimano CUES LG700, LINKGLIDE, 11-50, 11-speed Bottom Bracket: Praxis, T47 threaded, internal bearing Components Handlebar: Bontrager Elite Gravel, alloy, 40 - 46 cm width Stem: Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 - 100 mm length Brakes: Shimano CUES U6030 hydraulic disc, flat mount Saddle: Verse Short Comp, steel rails, 145 mm width Seatpost: Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length Trek Checkpoint Sizing XS S M ML L XL Rider Height (cm) 143 - 158 158 - 162 162 - 173 173 - 179 179 - 188 188 - 213 Inseam (cm) 67 - 74 74 - 76 76 - 81 81 - 84 84 - 88 88 - 100