Trek Checkpoint ALR 3 - 2025 

It's right for you if...

You want to make the jump into the wide world of gravel, exploration and even daily commutes that wander off the beaten track – and you don't want to break the bank leaping in.

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 2x9 Shimano Sora 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

When you want to start exploring the road less travelled, reach for the Checkpoint ALR 3. This budget-minded gravel bike gives you room to grow from rugged commutes to gravel grinds with economical components and a comfortable, capable frame that's built to take you on every adventure.

Why you'll love it

• The durable and capable 300 Series Alpha Aluminium frame makes for a fun, stable and responsive ride
• You get serious versatility that's suited for a wide variety of ride styles, from gravel and bikepacking to daily commutes
• Massive tyre clearance means you can use tyres up to 45 c for extra traction and stability in any conditions
• Fork, top tube and integrated frame mounts make it easy to carry gear and water
• Powerful mechanical disc brakes make stopping in all conditions easy

SPECS

FRAMESET

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, full carbon, tapered carbon steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle

WHEELS

Skewer front: Bontrager Switch thru axle, removable lever

Skewer rear: Bontrager Switch thru-axle, removable lever

Tyre: Bontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42 mm

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

Rim strip: Bontrager TLR

Max tyre size: See service manual

DRIVETRAIN

Shifter: Shimano Sora R3000, 9-speed

Front derailleur: Shimano Sora R3000, 31.8 mm clamp

Rear derailleur: Shimano Sora R3000, mid cage, 34T max cog

Crank:

- Size: 49 | FSA Omega, 46x30, 165 mm length

- Size: 52, 54 | FSA Omega, 46x30, 170 mm length

- Size: 56, 58 | FSA Omega, 46x30, 172.5 mm length

- Size: 61 | FSA Omega, 46x30, 175 mm length

Cassette: Shimano Sora HG400, 11-32, 9-speed

Chain: Shimano Sora HG53, 9-speed

Max. chainring size: See service manual

COMPONENTS

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

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

WEIGHT

Weight: 56 - 10.61 kg / 23.4 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).

The manufacturer reserves 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. The prices shown are the manufacturer's suggested retail prices.