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**Checkpoint ALR 4 is the best value gravel bike in the lineup. Kitted out with a 300 Series Alpha Aluminum frame, Checkpoint ALR 4 is just as responsive on chunky gravel roads as it is smooth on the tarmac. Tons of features like tubeless ready wheels, a
Checkpoint ALR 4 is the best value gravel bike in the lineup. Kitted out with a 300 Series Alpha Aluminum frame, Checkpoint ALR 4 is just as responsive on chunky gravel roads as it is smooth on the tarmac. Tons of features like tubeless ready wheels, a SRAM Apex 11 speed drivetrain, and mechanical disc brakes make Checkpoint ALR 4 the perfect ride for ease of entry into the wide world of gravel.
| 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 |
| 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 | Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700x40c |
| Tire part | Bontrager TLR sealant, 180 ml/6 oz |
| Rim strip | Bontrager Aeolus XXX rim strip |
| Max tire size | 700x45mm / 650x2.10" |
| Shifter | SRAM Apex, 11 speed |
|---|---|
| Rear derailleur | SRAM Apex 1, long cage, 42T max cog |
| *Crank | Size: 49 SRAM Apex 1, 40T, DUB Wide, 165mm length |
| Size: 52 SRAM Apex 1, 40T, DUB Wide, 170mm length |
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| Size: 54, 56 SRAM Apex 1, 40T, DUB Wide, 172.5mm length |
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| Size: 58, 61 SRAM Apex 1, 40T, DUB Wide, 175mm length |
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| 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, 2x: 50/34 |
| *Saddle | Size: 49, 52 Bontrager P3 Verse Comp, steel rails, 155 mm width |
|---|---|
| Size: 54, 56, 58, 61 Bontrager P3 Verse Comp, steel rails, 145 mm width |
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| Seatpost | Bontrager alloy, 27.2mm, 12mm offset, 330mm length |
| *Handlebar | Size: 49 Bontrager Elite Gravel, 38 cm width |
| Size: 52 Bontrager Elite Gravel, 40 cm width |
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| Size: 54, 56 Bontrager Elite Gravel, 42 cm width |
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| Size: 58, 61 Bontrager Elite Gravel, 44 cm width |
|
| Handlebar tape | Bontrager Supertack Perf tape |
| *Stem | Size: 49 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length |
| Size: 52, 54 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length |
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| Size: 56, 58 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length |
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| Size: 61 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 100 mm length |
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| Brake | Tektro C550 mechanical disc brake, dual piston, flat mount |
| Brake rotor | Tektro, centerlock, 160mm |
| Rotor size | Max brake rotor sizes: 160mm front & rear |
| Weight | 56 - 9.80 kg / 21.61 lbs (with TLR sealant, no tubes) |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg). |
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.
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