Trek Men's Checkpoint ALR 4 Gravel Bike
Checkpoint ALR 4 is an aluminum gravel bike that offers an incredible amount of capability for the price. It's built for the rigors of gravel and dirt roads, but it's also right at home on morning commutes and centuries. This bike knows no boundaries, which makes it the ideal gateway to adventure on any road or path.
It's right for you if...
You want a single durable, ultra-versatile gravel bike that's ready for adventure. Gravel? Check. Pavement? Check. Multi-day bikepacking? Check. Foul-weather commuting? Check. Check. Check.
The tech you get
A 300 Series Alpha Aluminum frame with massive tire clearance and adjustable Stranglehold dropouts that make it easy to fine-tune your geometry or run singlespeed, a carbon fork, 12mm thru axles, a 10-speed Shimano Tiagra drivetrain, a wide-range 11-34 cassette that's great for climbing, fender and rack mounts, flat mount hydraulic disc brakes for all-weather stopping power, and wide 700x40 Bontrager GR1 tires for added stability and traction.
The final word
Bring it on, gravel! Checkpoint ALR 4 is a high-value gateway to a world of adventure. It's rugged, fast, comfortable, and has an amazing amount of tech for its price. Though it's made to stand up to the rigors of gravel roads, the frame geometry and accessory mounts make it a great choice for road rides and commutes, too.
Why you'll love it
- Checkpoint ALR 4 introduces you to the exciting new frontier of gravel riding at a value that can't be matched
- This bike is exceedingly versatile and suited to a wide variety of ride styles, including gravel rides, bikepacking, and daily commutes
- Mounts on the seat tube and both sides of the down tube make it easy to carry extra gear and water
Pedals sold separately
|Frame||300 Series Alpha Aluminum, tapered head tube, BB86.5, flat mount disc brakes, Stranglehold dropouts, 12mm thru axle, Control Freak, internal control routing, 3S chain keeper|
|Fork||Checkpoint carbon disc, alloy tapered steerer, flat mount disc brakes, rack mounts, hidden fender mounts, 12mm thru axle|
|Headset||Integrated, cartridge bearing, sealed, 1-1/8" top, 1.5" bottom|
|Wheels/Rims||Bontrager Tubeless Ready|
|Hubs||Bontrager alloy sealed bearing, Center Lock|
|Tires||Schwalbe G-One Allround, aramid bead, 700x35c|
|Bottom Bracket||Shimano Press-fit|
|Front Derailleur||Shimano Tiagra|
|Rear Derailleur||Shimano Tiagra|
|Cassette/Rear Cogs||Shimano Tiagra, 11-34, 10 speed|
|Shifters||Shimano RS405, 10 speed|
|Handlebars||Bontrager RL IsoZone VR-CF|
|Stem||Bontrager Elite, 31.8mm clamp, 7 degree rise, w/computer & light mounts|
|Brakes||Shimano RS505 flat mount hydraulic disc|
|Saddle||Bontrager Montrose Comp|
|Seat Post||Bontrager Approved, 2-bolt head, 27.2mm, 8mm offset|