Trek Checkpoint ALR 5 Gen 3 Gen 3

Frame & fit interfaces

The standards that decide what fits this bike.

Frame material

Aluminum

Wheel size

700c"

Rear axle spacing

142 mm

Seatpost diameter

27.20 mm

Bottom bracket

T47

Max tire size

50mm without fenders, 42mm with fenders (as measured, see manual for details)

Stock build

• ForkTrek Checkpoint, full carbon, tapered steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle
• StemBontrager Size:49: Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 80mm length; Size:52, 54: Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length; Size:56, 58: Bontrager Elite, 31.8mm, Blendr
• ChainSRAM Apex
• SaddleVerse Short, steel rails, 145mm width
• CassetteSRAM XPLR PG-1231, 11-44, 12 speed
• CranksetSRAM Size:XS, S SRAM Apex 1, 40T, DUB Wide, 165mm length; Size:M, ML SRAM Apex 1, 40T, DUB Wide, 170mm length; Size:L, XL SRAM Apex 1, 40T, DUB Wide, 172.5mm length
• SeatpostBontrager alloy, 27.2mm, 12mm offset, 330mm length
• ShiftersSRAM Apex, 12 speed
• HandlebarBontrager 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, 46c
• Rear TireBontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42mm
• Front TireBontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42mm
• Rear BrakeSRAM Apex D1 Hydraulic Disc, 0mm Flat Mount No Offset, Front Caliper, SRAM PN: 00.5018.199.006
• Rear WheelBontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142x12mm thru axle
• Front BrakeSRAM Apex D1 Hydraulic Disc, 0mm Flat Mount No Offset, Front Caliper, SRAM PN: 00.5018.199.006
• Front WheelBontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle
• Brake LeversSRAM Apex
• Bottom BracketSRAM DUB Wide, T47 threaded, internal bearing
• Rear DerailleurSRAM Apex XPLR, 44T max cog
• Rear Brake RotorSRAM Paceline, Size 160 mm, Weight 139 g
• Front Brake RotorSRAM Paceline, Size 160 mm, Weight 139 g