Trek Checkpoint ALR 4 2025

SKU: 5304227
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  • Overview
  • Checkpoint ALR 4 is the best value gravel bike in the lineup. Kitted out with a 300 Series Alpha Aluminum frame, Checkpoint ALR 4 is just as responsive on chunky gravel roads as it is smooth on the tarmac.

Product details

IN STORE PICKUP OR LOCAL DELIVERY ONLY

Checkpoint ALR 4 is the best value gravel bike in the lineup. Kitted out with a 300 Series Alpha Aluminum frame, 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 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. Checkpoint ALR 4 is your ticket to turning every ride into an adventure.

THE TECH YOU GET

A responsive 300 Series Alpha Aluminum frame, hidden cables that won't interfere with bags, integrated rack, fender, 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 GR1 Team Issue 700x40c gravel tires for added comfort and traction.

THE FINAL WORD

If you're ready to start exploring every road while taking on the daily grind, 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 tires make for comfort and customization wherever the road, or lack thereof takes you.

WHY YOU'LL LOVE IT

The durable and capable 300 Series Alpha Aluminum 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 tire clearance means you can use tires up to 45c 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 Aluminum, tapered head tube, Internal cable routing, 3S chain keeper, T47 BB, rack and fender mounts, integrated frame bag mounts, flat mount disc, 142x12mm thru axle

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

WHEELS

Hub Front: Bontrager alloy, sealed bearing, centerlock disc, 100x12mm 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, 21mm width, Presta valve

Spokes: 14g stainless steel, black

Tire: Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700x40mm

Tire Part: Bontrager TLR sealant, 180 ml/6 oz

Rim Strip: Bontrager TLR

Max Tire Size: See service manual

DRIVETRAIN

Shifter: SRAM Apex, 11 speed

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

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

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

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

Size: 58, 61
SRAM Apex 1, 40T, DUB Wide, 175mm 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, 2x: 50/34

COMPONENTS

Saddle: Size: 49, 52
Bontrager P3 Verse Comp, steel rails, 155 mm width

Size: 54, 56, 58, 61
Bontrager P3 Verse Comp, steel rails, 145 mm width

Seatpost: Bontrager alloy, 27.2mm, 12mm offset, 330mm 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, centerlock, 160mm

Rotor Size: Max brake rotor sizes: 160mm front & rear

WEIGHT

 
Weight: 56 - 9.80 kg / 21.61 lbs (with TLR sealant, no tubes)
 
Weight Limit: This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg).
 

 

 

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