Trek Checkpoint ALR 4, 54cm, Matte Deep Dark Blue


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.

Why you'll love it

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

    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.

    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 Girona Pro 700x42c 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 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

    Sizing & Fit

    This 54cm frame generally fits someone from 5'6" to 5'9", but there are some other factors, like arm and leg length, that determine a great fit. That’s why the best way to find your perfect fit is to consult the experts here at Sunshine Bicycle Center.


    *spec applies to all sizes unless otherwise noted


    • 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