trek checkpoint alr 4

Brand

TREK

Model

Checkpoint ALR 4

Released date

2021

Status

Available

Frameset

Frame

300 Series Alpha Aluminum, tapered head tube, Control Freak internal routing, 3S chain keeper, rack and fender mounts, flat mount disc, horizontal sliding dropouts, 142x12mm thru axle

Fork

Checkpoint carbon, tapered alloy steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle

Frame fit

Gravel

Wheels

Hub front

Bontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle

Skewer front

100x12mm thru axle

Hub rear

Bontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142x12mm thru axle

Skewer rear

142x12mm thru axle, 174mm length

Rim

Bontrager Tubeless Ready, 28-hole, 17mm width, presta valve

Spokes

14g stainless steel

Tire

Bontrager GR1 Comp, wire bead, 60 tpi, 700x40c

Max tire size

45c Bontrager tires (49 & 52cm: 40c due to toe overlap), with at least 4mm of clearance to frame

Drivetrain

Shifter

Shimano GRX RX400, 10 speed

Front derailleur

Shimano GRX RX400, braze-on

Rear derailleur

Shimano GRX RX400, long cage, 36T max cog

Crank (Sizes)

Size: 49

Shimano GRX RX600, 46/30, 165mm length

Size: 52

Shimano GRX RX600, 46/30, 170mm length

Size: 54, 56

Shimano GRX RX600, 46/30, 172.5mm length

Size: 58, 61

Shimano GRX RX600, 46/30, 175mm length

Bottom bracket

Shimano RS500, 86mm, PressFit

Cassette

Shimano Tiagra HG500, 11-34, 10 speed

Chain

KMC X10

Components

Saddle

Bontrager Montrose Comp, steel rails, 138mm width

Seatpost

Bontrager Comp, 6061 alloy, 27.2mm, 8mm offset, 330mm length

Handlebar (Sizes)

Size: 49

Bontrager Elite IsoZone VR-CF, alloy, 31.8mm, 93mm reach, 123mm drop, 38cm width

Size: 52

Bontrager Elite IsoZone VR-CF, alloy, 31.8mm, 93mm reach, 123mm drop, 40cm width

Size: 54, 56

Bontrager Elite IsoZone VR-CF, alloy, 31.8mm, 93mm reach, 123mm drop, 42cm width

Size: 58, 61

Bontrager Elite IsoZone VR-CF, alloy, 31.8mm, 93mm reach, 123mm drop, 44cm width

Handlebar tape

Bontrager Supertack Perf tape

Stem (Sizes)

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 compatible, 7 degree, 100mm length

Size: 61

Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 110mm length

Headset

FSA Integrated, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom

Brake

Shimano RX400 hydraulic disc, flat mount

Brake rotor

Shimano SM-RT70, centerlock, 160mm

Weight

Weight

56 - 10.26 kg / 22.62 lbs

Weight limit

This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg).