Trek Checkpoint ALR 5 Gen 3 2026 – Gravel Adventure Redefined
The Trek Checkpoint ALR 5 Gen 3 is a high-performance gravel bike built for endurance, versatility, and control on any surface. Its lightweight aluminium frame and carbon fork provide a smooth, responsive ride, while modern geometry ensures stability at speed and confidence on rough roads. With a reliable drivetrain, hydraulic disc brakes, and room for wider tyres and adventure-ready accessories, it’s the perfect companion for long gravel rides, mixed-surface challenges, and bikepacking adventures.
Adventure begins where the road ends
Embrace the spirit of adventure with the all-new Checkpoint. This gravel bike line-up boasts comfortable geometry, capable tyre clearance and plenty of gear storage to take you off the beaten track for solo sightseeing excursions, epic all-day adventures, spontaneous overnighters and everything in-between.
Epic all-day comfort
New, confident Gravel Endurance geometry puts you in a more relaxed upright riding position so you can stay comfortable on even your most epic adventures.
Smooth operator
Carbon models feature IsoSpeed comfort tech in the seat post to smooth out fatiguing bumps and potholes so you can ride stronger, for longer.
Geometry
| Frame size letter | XS | S | M | ML | L | XL |
|---|---|---|---|---|---|---|
| Wheel size | 700c | 700c | 700c | 700c | 700c | 700c |
| A – Seat tube | 49.0 | 52.0 | 54.0 | 56.0 | 58.0 | 61.0 |
| B – Seat tube angle | 74.1° | 73.7° | 73.2° | 72.8° | 72.5° | 72.1° |
| C – Head tube length | 9.6 | 11.7 | 14.0 | 16.2 | 18.1 | 20.1 |
| D – Head angle | 71.2° | 71.6° | 71.8° | 72.2° | 72.3° | 72.6° |
| E – Effective top tube | 53.6 | 54.8 | 56.8 | 58.0 | 59.2 | 60.4 |
| G – Bottom bracket drop | 7.8 | 7.8 | 7.6 | 7.6 | 7.4 | 7.4 |
| H – Chainstay length | 43.5 | 43.5 | 43.5 | 43.5 | 43.5 | 43.5 |
| I – Offset | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 |
| J – Trail | 7.4 | 7.1 | 7.0 | 6.7 | 6.6 | 6.5 |
| K – Wheelbase | 102.5 | 103.3 | 104.1 | 104.8 | 105.8 | 107.0 |
| L – Standover | 73.5 | 76.5 | 78.9 | 80.9 | 82.9 | 85.9 |
| M – Frame reach | 38.0 | 38.5 | 39.1 | 39.7 | 40.2 | 40.8 |
| N – Frame stack | 54.5 | 56.6 | 58.9 | 61.1 | 63.0 | 65.0 |
- 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
- FRAME MATERIAL:
- Aluminium
- FORK BRAND:
- Trek (Rigid)
- FORK:
- Trek Checkpoint, full carbon, tapered steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle
- FORK TRAVEL:
- Rigid Fork
- WHEEL SIZE:
- 700 c
- WHEELS:
- Rim: Bontrager Paradigm 23, Tubeless Ready, 24-hole, 23 mm width, Presta valve / Front Hub: Bontrager alloy, sealed bearing, CentreLock disc, 100x12 mm thru axle / Rear Hub: Bontrager alloy, sealed bearing, CentreLock disc, Shimano 11-speed freehub,
- TYRES:
- Bontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42 mm
- DROPPER SEATPOST:
- No
- SEATPOST:
- Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length
- SADDLE:
- Verse Short Comp, steel rails, 145 mm width
- CRANKSET:
- Size: S, XS SRAM Apex 1, 40T, DUB Wide, 165 mm length Size: M, ML SRAM Apex 1, 40T, DUB Wide, 170 mm length Size: XL, L SRAM Apex 1, 40T, DUB Wide, 172.5 mm length
- STEM:
- Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree / Size XS: 70mm length / Size S, M: 80mm length / Size L, ML: 90mm length / Size XL: 100mm length
- TAPE:
- Bontrager Supertack Perf tape
- SHIFTERS:
- SRAM Apex, 12 speed
- BRAKE BRAND:
- SRAM
- HYDRAULIC BRAKES:
- Yes
- BRAKES:
- SRAM Apex D1 hydraulic disc, flat mount
- FRONT DERAILLEUR:
- N/A
- REAR DERAILLEUR:
- SRAM Apex XPLR, 44T max cog
- CHAIN:
- SRAM Apex, 12-speed
- NUMBER OF GEARS:
- 12 Speed
- PEDALS:
- Available for Purchase
- FRONT MUDGUARD:
- MTB Monster Mudguard
- EXTRAS:
- N/A
- PLEASE NOTE:
- Trek reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing.
