Checkpoint ALR Frameset is an awesome platform for your dream gravel bike. Its built with light and sturdy aluminum tubes, nimble yet stable progressive geometry, and its covered in mounts for gear and accessories. Includes a carbon disc fork, and has clearance to run up to 45c tires.
- 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
New progressive geometry
For quick, nimble handling that still keeps you stable and in control on rougher descents.
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Tire clearance
Lots of clearance means you can run meatier tires (700x45mm or 27.5x2.1") for tackling chunkier gravel and terrain.
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Tons of mounts
Integrated frame bag and fender mounts make it easy to carry gear and water.
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| 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 |
| Skewer Front |
Bontrager Switch thru axle, removable lever |
| Skewer Rear |
Bontrager Switch thru axle, removable lever |
Geometry Chart
| B B Drop |
7.8 |
| Chainstay Length |
43.5 |
| Eff Top Tube |
54.1 |
| Frame Reach |
39.3 |
| Frame Size Number |
49 cm |
| Frame Stack |
53.8 |
| Head Angle |
71.2° |
| Head Tube Length |
9 |
| Offset |
4.5 |
| Seat Tube |
49 |
| Seat Tube Angle |
74.1° |
| Standover |
73.5 |
| Trail |
7.4 |
| Wheelbase |
102.5 |
| Wheel Size |
700c |
| B B Drop |
7.8 |
| Chainstay Length |
43.5 |
| Eff Top Tube |
55.5 |
| Frame Reach |
39.9 |
| Frame Size Number |
52 cm |
| Frame Stack |
55.3 |
| Head Angle |
71.6° |
| Head Tube Length |
10.5 |
| Offset |
4.5 |
| Seat Tube |
52 |
| Seat Tube Angle |
73.7° |
| Standover |
76.5 |
| Trail |
7.1 |
| Wheelbase |
103.3 |
| Wheel Size |
700c |
| B B Drop |
7.6 |
| Chainstay Length |
43.5 |
| Eff Top Tube |
57 |
| Frame Reach |
40.3 |
| Frame Size Number |
54 cm |
| Frame Stack |
57.1 |
| Head Angle |
71.8° |
| Head Tube Length |
12.5 |
| Offset |
4.5 |
| Seat Tube |
54 |
| Seat Tube Angle |
73.2° |
| Standover |
78.9 |
| Trail |
7 |
| Wheelbase |
104.1 |
| Wheel Size |
700c |
| B B Drop |
7.6 |
| Chainstay Length |
43.5 |
| Eff Top Tube |
58.4 |
| Frame Reach |
40.7 |
| Frame Size Number |
56 cm |
| Frame Stack |
59.2 |
| Head Angle |
72.2° |
| Head Tube Length |
14.5 |
| Offset |
4.5 |
| Seat Tube |
56 |
| Seat Tube Angle |
72.8° |
| Standover |
80.9 |
| Trail |
6.7 |
| Wheelbase |
104.8 |
| Wheel Size |
700c |
| B B Drop |
7.4 |
| Chainstay Length |
43.5 |
| Eff Top Tube |
59.7 |
| Frame Reach |
41.1 |
| Frame Size Number |
58 cm |
| Frame Stack |
60.9 |
| Head Angle |
72.3° |
| Head Tube Length |
16.5 |
| Offset |
4.5 |
| Seat Tube |
58 |
| Seat Tube Angle |
72.5° |
| Standover |
82.9 |
| Trail |
6.6 |
| Wheelbase |
105.8 |
| Wheel Size |
700c |
| B B Drop |
7.4 |
| Chainstay Length |
43.5 |
| Eff Top Tube |
61.7 |
| Frame Reach |
41.7 |
| Frame Size Number |
61 cm |
| Frame Stack |
63.9 |
| Head Angle |
72.6° |
| Head Tube Length |
19.5 |
| Offset |
4.5 |
| Seat Tube |
61 |
| Seat Tube Angle |
72.1° |
| Standover |
85.9 |
| Trail |
6.5 |
| Wheelbase |
107 |
| Wheel Size |
700c |
