Trek Checkpoint ALR 4 Gravel Bike 2025 in Matte Deep Dark Blue

Checkpoint ALR 4 is the best-value gravel bike in the line-up.Kitted out with a 300 Series Alpha Aluminium frame, the Checkpoint ALR 4 is just as responsive on chunky gravel roads as it is smooth on the tarmac. Loads 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.

You want to make the jump into the wide world of gravel and also want a fully capable bike for tackling century rides and the daily commute, too. The Checkpoint ALR 4 is your ticket to turning every ride into an adventure.

A responsive 300 Series Alpha Aluminium frame, hidden cables that won’t interfere with bags, integrated rack, mudguard and frame bag mounts, a 1×11-speed SRAM Apex drivetrain for smooth shifting on punchy climbs and variable terrain, mechanical disc brakes for ease of stopping quick in all conditions, tubeless-ready rims and wide Bontrager GR1 Team Issue 700x40c gravel tyres for added comfort and traction.

If you’re ready to start exploring every road while taking on the daily grind, the Checkpoint ALR 4 is your wallet-friendly ride. Versatility is the name of the game and a durable alloy frame, mounts for all kinds of accessories and wide tyres make for comfort and customisation wherever the road, or lack thereof, takes you.

Key Features & Benefits:

• 300 Series Alpha Aluminium Frame:Makes for a fun, stable and responsive ride.
• Fork, Top Tube and Integrated Frame Mounts:Make it easy to carry gear and water.
• Massive tyre clearance:You can use tyres up to 45c for extra traction and stability in any condition.

Full Specification:

• Frame:300 Series Alpha Aluminium, tapered head tube, Internal cable routing, 3S chain keeper, T47 BB, rack and mudguard mounts, integrated frame bag mounts, flat-mount disc, 142×12 mm thru-axle
• Fork:Trek Checkpoint, full carbon, tapered carbon steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle
• Number of Gears:11
• Gear Shifters:SRAM Apex, 11-speed
• Chainset:SRAM Apex 1, 40T, DUB Wide, 165 – 175 mm length
• Chainrings:40T
• Rear Cassette:SRAM PG-1130, 11-42, 11-speed
• Chain:SRAM PC-1130, 11-speed
• Front Derailleur:N/A
• Rear Derailleur:SRAM Apex 1, long cage, 42T max cog
• Bottom Bracket:SRAM DUB, T47 threaded, internal bearing
• Pedals:Not supplied:Shop pedals here
• Rims:Bontrager Paradigm, Tubeless Ready, 24-hole, 21 mm width, Presta valve
• Front Hub:Bontrager alloy, sealed bearing, CenterLock disc, 100×12 mm thru axle
• Rear Hub:Bontrager alloy, sealed bearing, CenterLock disc, SRAM 11-speed freehub, 142×12 mm thru axle
• Front Tyre:Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700 x 40 c
• Rear Tyre:Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700 x 40 c
• Brakes:Tektro C550 mechanical disc brake, dual piston, flat mount
• Handlebars:Bontrager Elite Gravel, 38 – 44 cm width
• Handlebar Tape:Bontrager Supertack Perf tape
• Headset:Information not available
• Stem:Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 – 100 mm length
• Saddle:Verse Comp, steel rails, 155 – 145 mm width
• Seatpost:Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length
• Accessories:N/A
• Weight:56 – 9.91 kg / 21.85 lbs (with TLR sealant, no tubes)