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2026 | Checkpoint ALR 4 Gen 3

$2,599.99
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Product Info

Your go-to gravel buddy The all-new Checkpoint ALR Gen 3 gravel bike pairs a durable, high-quality aluminum frame with bigger tire clearance, more off-road capability, improved storage, and a comfier fit and riding geometry. Made with a premium-grade aluminum frame designed with the perfect balance of responsiveness and durability, and it's equipped with a carbon fork to absorb road chatter. It’s as ready for backroad rides as it is for everyday commutes and gravel adventures of all sizes. 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.


Mounts galore

    The new Checkpoint ALR is equipped to carry everything you need with mounts on the frame and fork for front and rear racks, fenders, and Adventure Top Tube, Frame, and Triangle Bags. Plus, the new frame was optimized to fit extra hydration in addition to all your bags.


Gravel Endurance geometry

    Designed with Gravel Endurance geometry with a higher stack and shorter reach for improved comfort and control on long days in the saddle.


Big 'ol tire clearance

    Designed with 50mm (or 29 x 2.0)* tire clearance for more grip and comfort on challenging terrain.*As measured


Suspension fork and dropper post compatible

    Compatible with a suspension fork* and dropper post for riders tackling technical descents or seeking more aggressive off-road performance. *Available on all sizes except XS frames

SKU Trek_49973
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
Frame Material Aluminum
Bottom Bracket Praxis, T47 threaded, internal bearing
Weight as Spec'd ML - 10.40 kg / 22.93 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).
Brake - Brand Shimano
Brake Type Hydraulic disc
Brake Shimano CUES hydraulic disc, flat mount // Shimano CUES U6030
Brake Rotor Shimano RT54, 160mm, centerlock
Brake Rotor Size Max brake rotor sizes: 180mm front & rear
Handlebar Bontrager Elite Gravel, alloy, 40cm width
Stem Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 70mm length
Saddle Verse Short Comp, steel rails, 145mm width
Seatpost Bontrager alloy, 27.2mm, 12mm offset, 330mm length
Drivetrain - Brand Shimano
Rear Derailleur Shimano CUES U8000 GS
Crank Shimano CUES FCU60301 , 40T ring, 165mm length
Shifter Shimano CUES U6030, 11 speed
Cassette Shimano CUES LG700, LINKGLIDE, 11-50, 11 speed
Chain Shimano LG500
Fork - Brand Trek
Fork Trek Checkpoint, full carbon, tapered steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle
Wheel Size 700C
Tire Size - Max 50mm without fenders, 42mm with fenders (as measured, see manual for details)
Tires Bontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42mm
Hub - Front Bontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle
Hub - Rear Bontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142x12mm thru axle
Skewer - Front Bontrager Switch chamfered thru axle, removable lever
Skewer - Rear Bontrager Switch chamfered thru axle, removable lever
Rims Bontrager Paradigm 23, Tubeless Ready, 24-hole, 23mm width, Presta valve
Spokes 14g stainless steel, black
Small Parts Bontrager TLR sealant, 180 ml/6 oz
_shipping-groups ACYP-ECY
BS Product Type Endurance Gravel
Discipline Gravel
Model Year 2026

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