Checkpoint ALR 4 is an aluminum gravel bike perfect for dipping your toes into the roads less traveled. Its modern endurance geometry keeps you comfortable over gravel roads and potholes, and 50mm tire clearance gives you room for extra grip. It comes equipped with a carbon fork, Bontrager Paradigm wheels, 11-speed Shimano CUES 8000 shifting, hydraulic disc brakes, and tons of mounts for bags and gear.
Whether you're heading out on a long adventure or a daily ride, Checkpoint ALR 4 is your go-to gravel bike. It features a durable, budget-friendly Alpha Aluminum frame, comfortable endurance geometry, wide tire clearance, and mounts for all your gear.
- Checkpoint ALR features the same updated endurance geometry as its carbon sibling, giving you comfort and control in the rough stuff
- You get road-smoothing comfort from a full carbon fork and clearance for up to 50mm tires
- Its spec'd with 11-speed Shimano CUES U8000 shifting that's not only affordable but also incredibly durable and low maintenance
- Tons of mounts on the frame and fork give you places to load up for epic bikepacking adventures or commuting around town
SPECIFICATIONS
*Please note - spec applies to all sizes unless listed separately
Frameset
Frame 300 Series Alpha Aluminum, Internal cable routing, 3S chain keeper, T47, UDH, rack and fender mounts, integrated frame bag mounts, flat mount disc, 142x12mm chamfered thru axle
Fork Trek Checkpoint, full carbon, tapered steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle
Weight
Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg).
Drivetrain
Shifter Shimano CUES U6030, 11 speed
Rear derailleur Shimano CUES U8000 GS
*Crank Size: XS, S
Shimano CUES FCU60301 , 40T ring, 165mm length
Size: M, ML
Shimano CUES FCU60301 , 40T ring, 170mm length
Size: L, XL
Shimano CUES FCU60301 , 40T ring, 172.5mm length
Bottom bracket Praxis, T47 threaded, internal bearing
Cassette Shimano CUES LG700, LINKGLIDE, 11-50, 11 speed
Chain Shimano LG500
Max chainring size 1x:44 2x: 46/30
Wheels
Hub front Bontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle
Skewer front Bontrager Switch chamfered thru axle, removable lever
Hub rear Bontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142x12mm thru axle
Skewer rear Bontrager Switch chamfered thru axle, removable lever
Rim Bontrager Paradigm 23, Tubeless Ready, 24-hole, 23mm width, Presta valve
Spokes 14g stainless steel, black
Tire Bontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42mm
Tire part Bontrager TLR sealant, 180 ml/6 oz
Max tire size 50mm without fenders, 42mm with fenders (as measured, see manual for details)
Components
Saddle Verse Short Comp, steel rails, 145mm width
Seatpost Bontrager alloy, 27.2mm, 12mm offset, 330mm length
*Handlebar Size: XS, S
Bontrager Elite Gravel, alloy, 40cm width
Size: M, ML
Bontrager Elite Gravel, alloy, 42cm width
Size: L
Bontrager Elite Gravel, alloy, 44cm width
Size: XL
Bontrager Elite Gravel, alloy, 46cm width
Handlebar tape Bontrager Supertack Perf tape
*Stem Size: XS
Bontrager Elite, 31.8mm clamp, Blendr compatible, 7 degree, 70mm length
Size: S, M
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 80mm length
Size: ML, L
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length
Size: XL
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 100mm length
*Brake Size: XS, S, M, ML, L, XL
Shimano CUES hydraulic disc, flat mount
Size: XS, S, M, ML, L, XL
Shimano CUES U3030, 9 speed
Brake rotor Shimano RT54, 160mm, centerlock
Rotor size Max brake rotor sizes: 180mm front & 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, colors, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Bike and frame weights are based off pre-production painted frames at time of publication. Weights may vary in final production.
