Trek Checkpoint ALR Frameset
Details
Checkpoint ALR Frameset is an awesome platform for your dream gravel bike. It's built with light and sturdy aluminum tubes, nimble yet stable progressive geometry, and it's covered in mounts for gear and accessories. Includes a carbon disc fork, and has clearance to run up to 45c tires.
It's right for you if...
You believe there's nothing better than a day spent exploring. You want to build up a single durable, ultra-versatile gravel bike that's ready for any off-road adventure, bikepacking tours, and all-around utility.
The tech you get
A sturdy 300 Series Alpha Aluminum frame with a progressive geometry that's stable at speed and efficient when you're grinding up a climb, routing for hidden cables that stay clear of your cargo and safe from the elements. Plus, rack-, fender-, and integrated frame bag-mounts, a carbon fork, and a cartridge-bearing headset.
The final word
Build your gravel bike exactly the way you want. Checkpoint ALR Frameset gives you a solid head start on your dream build with a lightweight frame, carbon fork, and gravel-specific details like extra mounts for endless customization options.
Why you'll love it
Its progressive geometry is quick and nimble yet keeps you stable and in control on fast, choppy descents
Massive tire clearance means you can use tires up to 45c for extra traction and stability in any conditions
Integrated frame bag mounts and rack and fender mounts make it easy to carry gear and water
Internal cable routing to keep things smooth, quiet, and clean
| Frame Size | 49cm | 52cm | 54cm | 56cm | 58cm | 61cm |
|---|---|---|---|---|---|---|
| Seat tube (cm) | 49 | 52 | 54 | 56 | 58 | 61 |
| Seat tube angle | 74.1° | 73.7° | 73.2° | 72.8° | 72.5° | 72.1° |
| Head tube length (cm) | 9 | 10.5 | 12.5 | 14.5 | 16.5 | 19.5 |
| Head angle | 71.2° | 71.6° | 71.8° | 72.2° | 72.3° | 72.6° |
| Effective top tube (cm) | 54.1 | 55.5 | 57 | 58.4 | 59.7 | 61.7 |
| Bottom bracket drop (cm) | 7.8 | 7.8 | 7.6 | 7.6 | 7.4 | 7.4 |
| Chainstay length (cm) | 43.5 | 43.5 | 43.5 | 43.5 | 43.5 | 43.5 |
| Offset (cm) | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Trail (cm) | 7.4 | 7.1 | 7 | 6.7 | 6.6 | 6.5 |
| Wheelbase (cm) | 102.5 | 103.3 | 104.1 | 104.8 | 105.8 | 107 |
| Standover (cm) | 73.5 | 76.5 | 78.9 | 80.9 | 82.9 | 85.9 |
| Frame reach (cm) | 39.3 | 39.9 | 40.3 | 40.7 | 41.1 | 41.7 |
| Frame stack (cm) | 53.8 | 55.3 | 57.1 | 59.2 | 60.9 | 63.9 |
| Stem length (cm) | 70 | 80 | 80 | 90 | 90 | 100 |
| Size | Rider Height (cm) | Rider Height (in) |
|---|---|---|
| 49 | 156 - 163 cm | 5'1" - 5'4" |
| 52 | 163 - 168 cm | 5'4" - 5'6" |
| 54 | 168 - 174 cm | 5'6" - 5'9" |
| 56 | 174 - 180 cm | 5'9" - 5'11" |
| 58 | 180 - 185 cm | 5'11" - 6'1" |
| 61 | 185 - 191 cm | 6'1" - 6'3" |
Specs
| 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 | Checkpoint, full carbon, tapered carbon steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle |
* Subject to change without notice.
Part Numbers
| Option | UPC | MPN | Store SKU |
|---|---|---|---|
| Satin Cobra Blood / 49 / 700c | 197216029595 | 5322880 | CHE369861652 |
| Satin Cobra Blood / 52 / 700c | 197216029601 | 5322881 | CHE366561732 |
| Satin Cobra Blood / 54 / 700c | 197216029618 | 5322882 | CHE364217272 |
| Satin Cobra Blood / 56 / 700c | 197216029625 | 5322883 | CHE366988822 |
| Satin Cobra Blood / 58 / 700c | 197216029632 | 5322884 | CHE365115562 |
| Satin Cobra Blood / 61 / 700c | 197216029649 | 5322885 | CHE367647332 |