Trek Checkpoint ALR 4 (2025) Matte Deep Dark Blue

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56cm
58cm

See our bike sizes guide HERE

Description
Specification

The Checkpoint ALR 4 is a high-value gravel bike ready for the roads less travelled. 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. 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.

It's right for you if...

You're ready for adventures beyond the beaten path and want a gravel bike that balances budget and capability. The Checkpoint ALR 4 is your ticket to turning every ride into an adventure.

The tech you get:

A responsive 300 Series Alpha Aluminium frame, hidden cables that won't interfere with bags, integrated rack, mudguard and frame bag mounts, a 1x11 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 Girona Pro 700x42c gravel tyres for added comfort and traction.

The final word:

If you're ready to start exploring every road while taking on the daily grind, the Checkpoint ALR 4 is the ride for you. 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.

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, 142x12 mm thru-axle

Fork: Checkpoint carbon, tapered carbon steerer, rack mounts, mudguard mounts, flat-mount disc, 12x100 mm thru axle

Weight: 56 - 9.91 kg / 21.85 lbs (with TLR sealant, no tubes)

Weight limit: This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb).

Shifter: SRAM Apex, 11-speed

Rear derailleur: SRAM Apex 1, long cage, 42T max cog

*Crank: Size: 49
SRAM Apex 1, 40T, DUB Wide, 165 mm length

Size: 52
SRAM Apex 1, 40T, DUB Wide, 170 mm length

Size: 54, 56
SRAM Apex 1, 40T, DUB Wide, 172.5 mm length

Size: 58, 61
SRAM Apex 1, 40T, DUB Wide, 175 mm length

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 (SRAM), 50T (Shimano), 2x: 50/34

Hub front: Bontrager alloy, sealed bearing, CentreLock disc, 100x12 mm 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, 21 mm width, Presta valve

Tyre: Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700x40 mm

Tyre part: Bontrager TLR sealant, 180 ml/6 oz

Rim strip: Bontrager TLR

Max tyre size: See service manual

*Saddle: Size: 49, 52
Bontrager Verse Comp, steel rails, 155 mm width

Size: 54, 56, 58, 61
Bontrager Verse Comp, steel rails, 145 mm width

Seatpost: Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length

*Handlebar: Size: 49
Bontrager Elite Gravel, 38 cm width

Size: 52
Bontrager Elite Gravel, 40 cm width

Size: 54, 56
Bontrager Elite Gravel, 42 cm width

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

Size: 56, 58
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length

Size: 61
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 100 mm length

Brake: Tektro C550 mechanical disc brake, dual piston, flat mount

Brake rotor: Tektro, CentreLock, 160 mm

Rotor size: Max brake rotor sizes: 160 mm front and rear

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, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.

Accessories shown are sold separately.

Content

Trek Checkpoint ALR 4 (2025) Matte Deep Dark Blue