Trek Checkpoint Alr Frameset Road Bike
The tech you get
A 300 Series Alpha Aluminum frame with massive tire clearance, Checkpoint carbon disc fork, rack and fender mounts, and a cartridge-bearing headset. Built for 12mm thru axles, flat-mount disc brakes, and BB86.5 bottom bracket.
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.
| Frame | 300 Series Alpha Aluminum, tapered head tube, Control Freak internal routing, 3S chain keeper, rack and fender mounts, flat mount disc, horizontal sliding dropouts, 142x12mm thru axle |
|---|---|
| Fork | Checkpoint carbon, tapered alloy steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle |
| Frame fit | Gravel |
Wheels
| Skewer front | Bontrager Switch thru axle, removable lever |
|---|---|
| Skewer rear | Bontrager Switch thru axle, removable lever |
| Max tire size | 45c Bontrager tires (49 & 52cm: 40c due to toe overlap), with at least 4mm of clearance to frame |
Drivetrain
| Max chainring size | 50/34 |
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Components
| Headset | FSA Integrated, sealed cartridge bearing, 1-1/8” top, 1.5” bottom |
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Weight
| Weight | 56 – 2.48 kg / 5.47 lbs |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg). |
| Size | Rider Height | Inseam |
|---|---|---|
| 49 |
156 – 163 cm 5’1″ – 5’4″ |
74 – 77 cm 29″ – 30″ |
| 52 |
163 – 168 cm 5’4″ – 5’6″ |
76 – 79 cm 30″ – 31″ |
| 54 |
168 – 174 cm 5’6″ – 5’9″ |
78 – 82 cm 31″ – 32″ |
| 56 |
174 – 180 cm 5’9″ – 5’11” |
81 – 85 cm 32″ – 33″ |
| 58 |
180 – 185 cm 5’11” – 6’1″ |
84 – 87 cm 33″ – 34″ |
| 61 |
185 – 191 cm 6’1″ – 6’3″ |
86 – 90 cm 34″ – 35″ |
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