The Trek Checkpoint ALR 3 is an adventure-ready aluminium 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.
Sunset Cycles offers the 2026 Trek Checkpoint ALR 3 Gen 3 gravel bike in Dark Carmine finish with up to 24 months 0% finance and free delivery.
| Frame & Fork | |
| 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 & Tyres | |
| Hub front | Bontrager alloy, sealed bearing, CentreLock disc, 100x12 mm thru axle |
| Hub rear | Bontrager alloy, sealed bearing, CentreLock disc, Shimano 11-speed freehub, 142x12 mm thru axle |
| Rim | Bontrager Paradigm 23, Tubeless Ready, 24-hole, 23 mm width, Presta valve |
| Tyre | Bontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42 mm |
| Drivetrain | |
| Shifter | Shimano CUES 10 Speed Right STU303010R |
| Rear derailleur | Shimano CUES U6000 GS |
| Crank | Size: XS, S Shimano CUES FCU60301 , 40T ring, 165mm length Size: M, ML Shimano CUES FCU60301 , 40T ring, 170mm length Size: L, XL Shimano CUES FCU60301 , 40T ring, 172.5mm length |
| Bottom bracket | Praxis, T47 threaded, internal bearing |
| Cassette | Shimano CUES LG300, LINKGLIDE, 11-48, 10-speed |
| Chain | Shimano LG500 |
| Components | |
| Saddle | Verse Short Comp, steel rails, 145 mm width |
| Seatpost | Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length |
| Handlebar | Size: XS, S Bontrager Elite Gravel, alloy, 40 cm width Size: M, ML Bontrager Elite Gravel, alloy, 42 cm width Size: L Bontrager Elite Gravel, alloy, 44 cm width Size: XL Bontrager Elite Gravel, alloy, 46 cm width |
| Handlebar tape | Bontrager Supertack Perf tape |
| Stem | Size: XS Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length Size: S, M Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length Size: ML, L Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90mm length Size: XL Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 100mm length |
| Brake | Size: XS, S, M, ML, L, XL Tektro C550 mechanical disc brake, dual piston, flat mount 0 offset Size: XS, S, M, ML, L, XL Shimano CUES U3030 Size: XS, S, M, ML, L, XL Tektro C550 mechanical disc brake, dual piston, flat mount, No adaptor |
| Brake rotor | Tektro, CentreLock, 160 mm |
| Weight | |
| Weight | ML - 10.41 kg / 22.96 lbs (with TLR sealant, no tubes) |
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb). |
| Frame Size | Rider Height* (metric) | Rider Height* (imperial) |
| XS | 143 - 158 cm | 4'8" - 5'2" |
| S (49cm) | 158 - 164 cm | 5'2" - 5'5" |
| M (52-54cm) | 164 - 177 cm | 5'5" - 5'10" |
| ML (56cm) | 177 - 188 cm | 5'10" - 6'2" |
| L (58cm) | 188 - 194 cm | 6'2" - 6'4" |
| XL (61cm) | 194 - 203 cm | 6'4" - 6'8" |
| *This is for guidance only. You may be taller or shorter, it doesn't mean our bikes will not fit you. The best way to determine the correct bike size for you is to try one. Please contact us if you are in any doubt about the correct bike size for you. | ||