Trek Checkpoint ALR 4 - Matte Galactic Grey
- More information? Contact us about this product
- Add to comparison list
It's right for you if...
You're ready for adventures beyond the beaten path and want a gravel bike that balances budget and capability. Checkpoint ALR 4 is your ticket to turning every ride into an adventure.
The tech you get
A responsive 300 Series Alpha Aluminum frame, hidden cables that won't interfere with bags, integrated rack, fender, and frame bag mounts, a 1x11 speed SRAM Apex drivetrain for smooth shifting on punchy climbs and variable terrain, mechanical disc brakes for ease of stopping quick in all conditions, tubeless ready rims, and wide Bontrager Girona Pro 700x42c gravel tires for added comfort and traction.
The final word
If you're ready to start exploring every road while taking on the daily grind, Checkpoint ALR 4 is the ride for you. Versatility is the name of the game and a durable alloy frame, mounts for all kinds of accessories, and wide tires make for comfort and customization wherever the road, or lack thereof takes you.
Â
 Why you'll love it
- The durable and capable 300 Series Alpha Aluminum frame makes for a fun, stable, and responsive ride
- You get serious versatility that's suited for a wide variety of ride styles, from gravel and bikepacking to daily commutes
- Massive tire clearance means you can use tires up to 45c for extra traction and stability in any conditions
- Fork, top tube, and integrated frame mounts make it easy to carry gear and water
- Powerful mechanical disc brakes make stopping in all conditions easy
Â
| Frame | 300 Series Alpha Aluminum, tapered head tube, Internal cable routing, 3S chain keeper, T47 BB, rack and fender mounts, integrated frame bag mounts, flat mount disc, 142x12mm thru axle |
|---|---|
| *Fork | Size:Â 49, 52, 54, 56, 58, 61 Checkpoint, full carbon, tapered carbon steerer, rack mounts, mudguard mounts, flat-mount disc, 12x100 mm thru axle |
| Size:Â 49, 52, 54, 56, 58, 61 Checkpoint, full carbon, tapered carbon steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle |
| Weight | 56 - 9.91 kg / 21.85 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). |
| Shifter | SRAM Apex, 11 speed |
|---|---|
| Rear derailleur | SRAM Apex 1, long cage, 42T max cog |
| *Crank | Size:Â 49 SRAM Apex 1, 40T, DUB Wide, 165mm length |
| Size:Â 52 SRAM Apex 1, 40T, DUB Wide, 170mm length |
|
| Size:Â 54, 56 SRAM Apex 1, 40T, DUB Wide, 172.5mm length |
|
| Size:Â 58, 61 SRAM Apex 1, 40T, DUB Wide, 175mm length |
|
| Bottom bracket | SRAM DUB, T47 threaded, internal bearing |
| Cassette | SRAM PG-1130, 11-42, 11 speed |
| Chain | SRAM PC-1130, 11 speed |
| Max chainring size | 1x: 44T (SRAM), 50T (Shimano), 2x: 50/34 |
| Hub front | Bontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle |
|---|---|
| Skewer front | Bontrager Switch thru axle, removable lever |
| Hub rear | Bontrager alloy, sealed bearing, CenterLock disc, Shimano 11-speed freehub, 142x12 mm thru axle |
| Skewer rear | Bontrager Switch thru axle, removable lever |
| Rim | Bontrager Paradigm, Tubeless Ready, 24-hole, 21mm width, Presta valve |
| Spokes | 14g stainless steel, black |
| *Tire | Size:Â 49, 52, 54, 56, 58, 61 Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700x40mm |
| Size:Â 49, 52, 54, 56, 58, 61 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 | See service manual |
| *Saddle | Size:Â 49, 52 Bontrager P3 Verse Comp, steel rails, 155 mm width |
|---|---|
| Size:Â 54, 56, 58, 61 Bontrager P3 Verse Comp, steel rails, 145 mm width |
|
| Seatpost | Bontrager alloy, 27.2mm, 12mm offset, 330mm length |
| *Handlebar | Size:Â 49 Bontrager Elite Gravel, 38 cm width |
| Size:Â 52 Bontrager Elite Gravel, 40 cm width |
|
| Size:Â 54, 56 Bontrager Elite Gravel, 42 cm width |
|
| Size:Â 58, 61 Bontrager Elite Gravel, 44 cm width |
|
| Handlebar tape | Bontrager Supertack Perf tape |
| *Stem | Size:Â 49 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length |
| Size:Â 49 Bontrager Elite, 31.8mm clamp, Blendr compatible, 7 degree, 70mm length |
|
| Size:Â 52, 54 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length |
|
| Size:Â 56, 58 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length |
|
| Size:Â 56, 58 Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length |
|
| Size:Â 61 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 100 mm length |
|
| Size:Â 61 Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 100mm length |
|
| Brake | Tektro C550 mechanical disc brake, dual piston, flat mount |
| Brake rotor | Tektro, centerlock, 160mm |
| Rotor size | Max brake rotor sizes: 160mm front & rear |
We 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, colors, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Bike and frame weights are based off pre-production painted frames at time of publication. Weights may vary in final production.
Â
Â
