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Trek

Trek Checkpoint ALR 4 in Matte Deep Dark Blue

$1,949.99
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Trek Checkpoint ALR 4 in Matte Deep Dark Blue

Season:2025

Brand:Trek

Code:5304231-MDDB

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

Features include aresponsive 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 Girona Pro 700x42c gravel tires for added comfort and traction.

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



Technical Information
Frame: 300 Series Alpha Aluminum
Fork: Checkpoint, full carbon
Shifter: SRAM Apex, 11 speed
Rear derailleur: SRAM Apex 1, long cage, 42T max cog
Crank:
Size: 49-SRAM Apex 1, 40T, DUB Wide, 165mm length
Size: 52-RAM 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: RAM PC-1130, 11 speed
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, 142x12mm 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, 6oz
Rim strip: Bontrager TLR
Saddle:
Size: 49, 52-Bontrager Verse Comp, steel rails, 155mm width
Size: 54, 56, 58, 61-Bontrager Verse Comp, steel rails, 145mm width
Seatpost: Bontrager alloy, 27.2mm, 12mm offset, 330mm length
Handlebar:
Size: 49-Bontrager Elite Gravel, 38cm width
Size: 52-Bontrager Elite Gravel, 40cm width
Size: 54, 56-Bontrager Elite Gravel, 42cm width
Size: 58, 61-Bontrager Elite Gravel, 44cm width
Stem:
Size: 49-Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 70mm length
Size: 52, 54-Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 80mm length
Size: 56, 58-Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length
Size: 61-Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 100mm 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
Sizing Information
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