2025 Trek Checkpoint ALR 3 Gen 3 – Gravel Bike
Specifications
| Specification | Details | 
| Model | Checkpoint ALR 3 Gen 3 | 
| Vehicle Category | Gravel Bike | 
| Application | Gravel riding, bikepacking, commuting | 
| Starting Price (2025) | $1,599.99 USD | 
| Color Options | Matte Lavender Haze, Dark Green/Visibility Green, Light Purple, Dark Red | 
| Sizes | XS, S, M, ML, L, XL | 
Frame & Drivetrain
| Specification | Details | 
| Frame | 300 Series Alpha Aluminum, gravel endurance geometry, internal cable routing, rack & fender mounts, flat mount disc brake | 
| Fork | Carbon, internal brake routing, fender mounts, rack mounts | 
| Drivetrain Compatibility | Shimano CUES 6000, 10-speed | 
| Crank | Shimano CUES U6000, 46/30T | 
| Chain | Shimano CUES CN-L610, 10-speed | 
| Rear Derailleur | Shimano CUES RD-U6000, 10-speed | 
| Front Derailleur | Shimano CUES FD-U6000, 2-speed | 
| Shifters | Shimano CUES SL-U6000, 10-speed | 
| Cassette | Shimano CUES CS-LG600-10, 11-36T, 10-speed | 
Components & Features
| Specification | Details | 
| Seating | Bontrager Verse Comp, steel rails, width: 155mm (XS-S) / 145mm (M-XL) | 
| Cargo Capacity | Rack & fender mounts, multiple bag mounts for bikepacking | 
| Wheels/Tyres | Bontrager GR1 Team Issue, 700x40c tubeless ready | 
| Wheel Size | 700c | 
| Brakes | Tektro MD-C550 mechanical disc, 160mm rotor | 
| Brake Levers | Integrated with shifters | 
| Handlebar | Bontrager R1 Gravel, 31.8mm, width: 380mm (XS), 400mm (S), 420mm (M), 440mm (ML-L), 460mm (XL) | 
| Stem | Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, length: 70mm (XS-S), 80mm (M), 90mm (ML), 100mm (L-XL) | 
| Headset | Integrated cartridge, 1-1/8" top, 1.5" lower | 
| Saddle | Bontrager Verse Comp, steel rails, width: 155mm (XS-S) / 145mm (M-XL) | 
| Seatpost | Bontrager Comp, 27.2mm, 8mm offset, length: 300mm (XS), 330mm (S-M), 350mm (ML-L), 380mm (XL) | 
| Seatpost Clamp | Knurled, quick release | 
| Grips | Bontrager Satellite IsoZone, soft, 130mm width | 
| Front Hub | Bontrager alloy, sealed bearing, 6-bolt disc | 
| Rear Hub | Bontrager alloy, sealed bearing, 6-bolt disc, Shimano 10-speed freehub | 
| Rims | Bontrager Paradigm 23, double wall, 23mm rim width, tubeless ready | 
| Spokes | Stainless steel, 14g | 
| Exterior Features | Rack & fender mounts, multiple bag mounts for bikepacking, tubeless ready wheels | 
| Weight | 10.41 kg (ML, with TLR sealant, no tubes) | 

