Trek Checkpoint ALR 3 Gen 3
$959.00
The Trek Checkpoint ALR 3 Gen 3 is an aluminum gravel bike with a 300 Series Alpha Aluminum frame, full carbon Checkpoint fork, Shimano CUES 10-speed drivetrain, Bontrager Paradigm 23 Tubeless Ready rims, and Bontrager Girona Pro 700x42mm tires. Rack, fender, and integrated frame bag mounts add practical mounting options.
Trek Checkpoint ALR 3 Gen 3 Overview
The Trek Checkpoint ALR 3 Gen 3 is an aluminum gravel bike built with a 300 Series Alpha Aluminum frame, internal cable routing, UDH, T47 bottom bracket standard, rack and fender mounts, and integrated frame bag mounts. It uses a Trek Checkpoint full carbon fork with a tapered steerer, rack mounts, fender mounts, flat mount disc brake fitting, and 12x100mm thru axle.
The drivetrain uses Shimano CUES 10-speed components, including a Shimano CUES right shifter, Shimano CUES U6000 GS rear derailleur, Shimano CUES FCU60301 40T crank, Shimano CUES LG300 LINKGLIDE 11-48 cassette, and Shimano LG500 chain. Braking comes from Tektro C550 mechanical disc brake parts with Tektro 160mm centerlock rotors.
Bontrager alloy hubs, Bontrager Paradigm 23 Tubeless Ready rims, 14g stainless steel spokes, and Bontrager Girona Pro 700x42mm Tubeless Ready tires complete the wheel system. The cockpit includes a Bontrager Elite Gravel alloy handlebar, Bontrager Elite stem, Bontrager Supertack Perf tape, Verse Short Comp saddle, and Bontrager alloy seatpost.
Key Features of Trek Checkpoint ALR 3 Gen 3
- 300 Series Alpha Aluminum frame includes internal cable routing, UDH, rack and fender mounts, and integrated frame bag mounts.
- Trek Checkpoint full carbon fork uses a tapered steerer, rack mounts, fender mounts, flat mount disc brake fitting, and 12x100mm thru axle.
- Shimano CUES 10-speed drivetrain uses a 40T crank and 11-48 LINKGLIDE cassette.
- Bontrager Paradigm 23 Tubeless Ready rims are paired with Bontrager alloy sealed bearing hubs.
- Bontrager Girona Pro 700x42mm tires use Tubeless Ready construction, GR puncture protection, aramid bead, and 60 tpi casing.
- Tektro C550 mechanical disc brake parts are paired with Tektro 160mm centerlock rotors.
- Bontrager Elite Gravel alloy handlebar and Bontrager Elite stem come in size-specific dimensions.
- Maximum tire size is 50mm without fenders and 42mm with fenders.
Ride Use
The Trek Checkpoint ALR 3 Gen 3 is built for gravel riding. Its aluminum frame, full carbon fork, 700x42mm gravel tires, Tubeless Ready rims, and wide-range 11-48 cassette match the demands of mixed-surface riding. Rack, fender, and integrated frame bag mounts add practical mounting options for gravel setups.
Why Choose This Bike
Choose the Trek Checkpoint ALR 3 Gen 3 for a gravel bike with a 300 Series Alpha Aluminum frame, full carbon Checkpoint fork, Shimano CUES 10-speed drivetrain, Bontrager Paradigm 23 Tubeless Ready rims, and Bontrager Girona Pro 700x42mm tires. The build includes mechanical disc brakes, rack and fender mounts, integrated frame bag mounts, size-specific cockpit parts, and Bontrager TLR sealant. It comes in Daintree Green, Matte Lavender Haze, and Dark Carmine, with an ML weight of 10.41 kg / 22.96 lbs with TLR sealant and no tubes. Trek frames and full-suspension swing arms are covered for the lifetime of the original owner. Other parts are covered under Trek’s limited warranty.
Product Specifications
| Feature | Details |
|---|---|
| Brand | Trek |
| Model | Checkpoint ALR 3 Gen 3 |
| Bike Type | Gravel Bike |
| 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 |
| Shifter | Shimano CUES 10 Speed Right STU303010R |
| Rear Derailleur | Shimano CUES U6000 GS |
| Crank | Shimano CUES FCU60301, 40T ring; 165mm size XS/S, 170mm size M/ML, 172.5mm size L/XL |
| Bottom Bracket | Praxis, T47 threaded, internal bearing |
| Cassette | Shimano CUES LG300, LINKGLIDE, 11-48, 10 speed |
| Chain | Shimano LG500, 9/10/11 speed |
| Max Chainring Size | 1x: 44, 2x: 46/30 |
| Front Hub | Bontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle |
| Rear Hub | Bontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142x12mm thru axle |
| Skewers | Bontrager Switch chamfered thru axle front; Bontrager Switch chamfered thru axle rear with removable lever |
| Rims | Bontrager Paradigm 23, Tubeless Ready, 24-hole, 23mm width, Presta valve |
| Spokes | 14g stainless steel, black |
| Tires | Bontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42mm |
| Tire Part | Bontrager TLR sealant, 6oz |
| Max Tire Size | 50mm without fenders, 42mm with fenders |
| Saddle | Verse Short Comp, steel rails, 145mm width |
| Seatpost | Bontrager alloy, 27.2mm, 12mm offset, 330mm length |
| Handlebar | Bontrager Elite Gravel, alloy; 40cm size XS/S, 42cm size M/ML, 44cm size L, 46cm size XL |
| Handlebar Tape | Bontrager Supertack Perf tape |
| Stem | Bontrager Elite, 31.8mm, Blendr compatible, 7 degree; 70mm size XS, 80mm size S/M, 90mm size ML/L, 100mm size XL |
| Brake | Tektro C550 mechanical disc brake, dual piston, flat mount 0 offset; Tektro C550 mechanical disc brake, dual piston, flat mount, no adaptor; Shimano CUES U3030 |
| Brake Rotor | Tektro, centerlock, 160mm |
| Rotor Size | Max brake rotor sizes: 180mm front & rear |
| Weight | ML - 10.41 kg / 22.96 lbs with TLR sealant, no tubes |
| Weight Limit | Maximum total weight limit of 275 pounds / 125 kg, combined weight of bicycle, rider, and cargo |
| Colors | Daintree Green, Matte Lavender Haze, Dark Carmine |
| Manufacturer Warranty | Trek frames and full-suspension swing arms are covered for the lifetime of the original owner. Other parts are covered under Trek’s limited warranty. |
FAQ's Trek Checkpoint ALR 3 Gen 3
What type of bike is the Trek Checkpoint ALR 3 Gen 3?
The Trek Checkpoint ALR 3 Gen 3 is a gravel bike. It uses a 300 Series Alpha Aluminum frame, full carbon Checkpoint fork, gravel-specific 700x42mm tires, and rack, fender, and integrated frame bag mounts.
What drivetrain does the Trek Checkpoint ALR 3 Gen 3 use?
The bike uses Shimano CUES 10-speed drivetrain components. It includes a Shimano CUES right shifter, Shimano CUES U6000 GS rear derailleur, Shimano CUES FCU60301 40T crank, Shimano CUES LG300 LINKGLIDE 11-48 cassette, and Shimano LG500 chain.
What wheels and tires come on the Trek Checkpoint ALR 3 Gen 3?
The Trek Checkpoint ALR 3 Gen 3 uses Bontrager alloy hubs with Bontrager Paradigm 23 Tubeless Ready rims. The tires are Bontrager Girona Pro Tubeless Ready, with GR puncture protection, aramid bead, 60 tpi casing, and 700x42mm sizing.
What colors are available for the Trek Checkpoint ALR 3 Gen 3?
The Trek Checkpoint ALR 3 Gen 3 comes in Daintree Green, Matte Lavender Haze, and Dark Carmine. Each color is paired with the same model specification.
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