Trek Checkpoint ALR 3 2026 Gravel Bike

The Checkpoint ALR 3 is an adventure-ready alumin’um gravel bike built for exploring anywhere. Its modern endurance geometry keeps you comfortable over gravel roads or potholes, while a carbon fork helps cut down the road vibrations. It's spec'd to go anywhere without breaking the bank, with Bontrager Paradigm wheels, clearance for 50 mm tyres,10-speed Shimano CUES 6000 shifting, mechanical disc brakes and loads of mounts for bags and accessories.

A 300 Series Alpha Aluminium frame with a full carbon fork, with clearance for up to 50 mm tyres. 10-speed Shimano CUES U6000 shifting, mechanical disc brakes, Bontrager Paradigm wheels with Bontrager Girona Pro Tubeless Ready tyres, plus mounts for loading up with bags, racks and gear.

Key Features

• The Checkpoint ALR features the same updated endurance geometry as its carbon sibling, giving you comfort and control in the rough stuff


• You get road-smoothing comfort from a full carbon fork and clearance for up to 50 mm tyres


• Its spec'd with 10-speed Shimano CUES U6000 shifting that's not only affordable, but also incredibly durable and low maintenance


• Lots of mounts on the frame and fork give you places to load up for epic bikepacking adventures or commuting around town


• Lots of mounts on the frame and fork give you places to load up for epic bikepacking adventures or commuting around town

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 , 40T ring


• Shifters: Shimano CUES 10 Speed Right STU303010R


• Rear Derailleur: Shimano CUES U6000 GS


• Chain: Shimano LG500


• Cassette: Shimano CUES LG300, LINKGLIDE, 11-48, 10-speed


• Bottom Bracket: Praxis, T47 threaded, internal bearing

Components

• Handlebar: Bontrager Elite Gravel, alloy


• Stem: Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree


• Brakes: Tektro C550 mechanical disc brake, dual piston, flat mount 0 offset


• Saddle: Verse Short Comp, steel rails


• Seatpost: Bontrager alloy, 27.2 mm, 12 mm offset

Trek Checkpoint Sizing

Product code: 910566