2025 Trek Checkpoint ALR 5 Gen 2 – Gravel Bike
Specifications
| Specification | Details | 
| Model | Checkpoint ALR 5 Gen 2 | 
| Vehicle Category | Gravel Bike | 
| Application | Gravel riding, bikepacking, commuting | 
| Starting Price (2025) | $2,099.97 USD (sale, original $2,499.99) | 
| Color Options | Plasma Grey Pearl | 
| Sizes | 49, 52, 54, 56, 58, 61 | 
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 | SRAM Apex XPLR, 12-speed | 
| Dropouts | 142x12mm thru axle (R), 12x100mm thru axle (F) | 
| Crank | SRAM Apex XPLR, 40T, length: 165mm (49-52), 170mm (54-56), 172.5mm (58-61) | 
| Chain | SRAM Apex XPLR, 12-speed | 
| Rear Derailleur | SRAM Apex XPLR, 12-speed | 
| Shifters | SRAM Apex XPLR, 12-speed | 
| Cassette | SRAM Apex XPLR XG-1271, 10-44T, 12-speed | 
Components & Features
| Specification | Details | 
| Seating | Bontrager Verse Comp, steel rails, width: 155mm (49-52) / 145mm (54-61) | 
| Cargo Capacity | Rack & fender mounts, multiple bag mounts for bikepacking | 
| Wheels/Tyres | Bontrager GR1 Team Issue, 700x42c tubeless ready | 
| Wheel Size | 700c | 
| Brakes | SRAM Apex XPLR hydraulic disc, 160mm rotors | 
| Brake Levers | SRAM Apex XPLR hydraulic | 
| Handlebar | Bontrager GR Elite Gravel, alloy, 31.8mm, width: 380mm (49), 400mm (52), 420mm (54-56), 440mm (58-61) | 
| Stem | Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, length: 70mm (49-52), 80mm (54), 90mm (56), 100mm (58-61) | 
| Headset | Integrated cartridge, 1-1/8" top, 1.5" lower | 
| Saddle | Bontrager Verse Comp, steel rails, width: 155mm (49-52) / 145mm (54-61) | 
| Seatpost | Bontrager Comp, 27.2mm, 8mm offset, length: 300mm (49), 330mm (52-54), 350mm (56-58), 380mm (61) | 
| 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, SRAM 12-speed freehub | 
| Rims | Bontrager Paradigm, double wall, 21mm rim width, tubeless ready | 
| Spokes | Stainless steel, 14g | 
| Exterior Features | Rack & fender mounts, multiple bag mounts for bikepacking, tubeless ready wheels | 
| Weight | 9.71 kg (56cm, with TLR sealant, no tubes) | 

