2021 Trek Checkpoint ALR 4
The 2021 Trek Checkpoint ALR 4 is a aluminum frame gravel bike with mid-range components and hydraulic disc brakes.
View on www.trekbikes.com
- MSRP $1,699
- Weight 22.6 lbs / 10.3 kg
- Frame Aluminum
- Fork Carbon
- Wheels 700c
- Tires 40c
- Tire Clearance 45c
- Drivetrain 2 × 10
- Groupset GRX 400, GRX 600
- Brakes Hydraulic Disc
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2 × 10 — 20 speed
The Checkpoint ALR 4 is easier to ride up hills than similar bikes.
The Checkpoint ALR 4 is geared about the same as similar bikes for riding downhill.
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more. Learn more
This bike
Other gravel bikes
| 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 |
| Bottom Bracket | Shimano RS500, 86mm, PressFit |
| Headset | FSA Integrated, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom |
| Stem | Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length |
| Handlebar | Bontrager Elite IsoZone VR-CF, alloy, 31.8mm, 93mm reach, 123mm drop, 42cm width |
| Saddle | Bontrager Montrose Comp, steel rails, 138mm width |
| Seatpost | Bontrager Comp, 6061 alloy, 27.2mm, 8mm offset, 330mm length |
| Rear Derailleur | Shimano GRX RX400, long cage, 36T max cog |
|---|---|
| Front Derailleur | Shimano GRX RX400, braze-on |
| Crank | Shimano GRX RX600, 46/30, 172.5mm length |
| Shifters | Shimano GRX RX400, 10 speed |
| Cassette | Shimano Tiagra HG500, 11-34, 10 speed |
| Chain | KMC X10 |
| Brakes | Shimano RX400 hydraulic disc, flat mount |
| Rims | Bontrager Tubeless Ready, 28-hole, 17mm width, presta valve |
|---|---|
| Spokes | 14g stainless steel |
| Front Hub | Bontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle |
| Rear Hub | Bontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142x12mm thru axle |
| Tires | Bontrager GR1 Comp, wire bead, 60 tpi, 700x40c |
| Disk Rotors | Shimano SM-RT70, centerlock, 160mm |
😢 Sorry. Our goat wandered off and didn’t bring back any bikes.
2021 Trek Checkpoint ALR 4
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