Trek Checkpoint ALR 5 – Your Next Big Adventure Starts Here

The Trek Checkpoint ALR 5 is a versatile aluminum gravel bike built for riders who want to go beyond the beaten path. With a lightweight yet rugged Alpha 300 Series aluminum frame, progressive endurance geometry, and the reliable SRAM Apex XPLR 1x12-speed drivetrain, it offers the perfect balance of comfort, performance, and capability—whether you're riding gravel, pavement, or bikepacking into the unknown.

Why You'll Love It

• The all-new SRAM Apex XPLR 1x12 drivetrain delivers a wide gear range for conquering steep climbs and long, fast stretches with ease.

• Endurance gravel geometry matches that of carbon models, giving you stable, confident handling and comfort on rough surfaces and long rides.

• Full carbon fork with clearance for up to 50mm tires adds compliance and vibration damping for smoother adventures.

• Numerous mounting points on the frame and fork allow you to carry bags, racks, fenders, and gear—perfect for commuting or epic multi-day bikepacking trips.

Key Specifications

Frame & Fork

• Frame: Alpha 300 Series Aluminum, internal cable routing, T47 bottom bracket, rack and fender mounts, frame bag mounts

• Fork: Trek Checkpoint full carbon, 12x100mm thru axle, rack/fender mounts, flat mount disc

Drivetrain

• Shifter: SRAM Apex, 12-speed

• Rear Derailleur: SRAM Apex XPLR, max cog 44T

• Crankset: SRAM Apex 1, 40T, DUB Wide

• Cassette: SRAM PG-1231 XPLR, 11–44T, 12-speed

• Chain: SRAM Apex 12-speed

• Bottom Bracket: SRAM DUB Wide, threaded T47

Wheels & Tires

• Rims: Bontrager Paradigm 23, Tubeless Ready, 24-hole

• Hubs: Bontrager sealed bearing, 12mm thru axle, Centerlock

• Tires: Bontrager Girona Pro 700x42mm, Tubeless Ready, GR puncture protection

Brakes

• Brakes: SRAM Apex D1 hydraulic disc, flat mount

• Rotors: SRAM Paceline 160mm, Centerlock

Cockpit & Components

• Handlebar: Bontrager Elite Gravel alloy, width varies by frame size

• Stem: Bontrager Elite, Blendr-compatible

• Handlebar Tape: Bontrager Supertack Perf

• Seatpost: Bontrager alloy, 27.2mm, 12mm offset

• Saddle: Verse Short Comp, steel rails

Weight & Limits

• Weight (ML): 9.87 kg / 21.76 lbs (with TLR sealant, no tubes)

• Weight limit: 125 kg (combined weight of bike, rider, and cargo)

Max Tire Clearance

• Without fenders: 50mm

• With fenders: 42mm (measured; see manual for details)

Sizing & Geometry

Available Sizes: XS, S, M, ML, L, XL
Rider Height Range: 143–203 cm
Geometry Highlights: Stable wheelbase, low bottom bracket drop, and relaxed head tube angle for confident handling over rough terrain and long hours in the saddle.

Trek Checkpoint ALR 5 is the perfect choice for riders who want a gravel bike that blends value, durability, and real-world performance. Whether you're taking the scenic route, adventuring into the wilderness, or simply commuting with confidence, this bike has the engineering and equipment to take you there—and beyond.

We reserve the right to make changes to the product information on the website at any time without notice, including details related to equipment, specifications, models, colors, materials, and prices. Due to supply chain issues, compatible parts may be replaced at any time without prior notice.

The listed bicycle and frame weights refer to pre-production painted models at the time of publication. The final product weight may vary.