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2021 Trek Checkpoint ALR 4

Mid-range component level aluminum frame gravel bike

View on www.trekbikes.com

2021 Trek Checkpoint ALR 4
  • MSRP $1,699
  • Weight 22.6 lbs / 10.3 kg
  • Frame Aluminum
  • Fork Carbon
  • Wheels 700c
  • Drivetrain 2 × 10
  • Groupset GRX 600, GRX 400
  • Brakes Hydraulic Disc
Where to Buy
Gearing

2 × 10 — 20 speed

2021 Trek Checkpoint ALR 4
33 mph
Similar Bikes
36 mph

The 2021 Checkpoint ALR 4 is easier to ride up hills than similar bikes.

The 2021 Checkpoint ALR 4 won‘t keep up with similar bikes while riding downhill or sprinting.

Learn more about bike gearing
Estimated Spec Level

Estimated spec level of the Checkpoint ALR 4 compared to other gravel bikes. 99 Spokes analyzes the build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more to estimate the overall spec level of each bike.

Learn more

est. spec level →$0$500$1,000$1,500$2,000
This bike
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Reviews
Geometry
Specs
Build
Frame300 Series Alpha Aluminum, tapered head tube, Control Freak internal routing, 3S chain keeper, rack and fender mounts, flat mount disc, Stranglehold dropouts, 142x12mm thru axle
ForkCheckpoint carbon, tapered alloy steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle
Bottom BracketShimano RS500, 92mm, PressFit
HeadsetFSA Integrated, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom
StemBontrager Elite, 31.8mm, Blendr compatible, 7 degree, 110mm length
HandlebarBontrager Elite IsoZone VR-CF, alloy, 31.8mm, 93mm reach, 123mm drop, 44cm width
SaddleBontrager Montrose Comp, steel rails, 138mm width
SeatpostBontrager Comp, 6061 alloy, 27.2mm, 8mm offset, 330mm length
Groupset
Rear DerailleurShimano GRX RX400, long cage, 36T max cog
Front DerailleurShimano GRX RX400, braze-on
CrankShimano GRX RX600, 46/30, 175mm length
ShiftersShimano GRX RX400, 10 speed
CassetteShimano Tiagra HG500, 11-34, 10 speed
ChainKMC X10
BrakesShimano GRX hydraulic disc, flat mount
Wheels
RimsBontrager Tubeless Ready, 28-hole, 17mm width, presta valve
Spokes14g stainless steel, black
Front HubBontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle
Rear HubBontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142x12mm thru axle
TiresBontrager GR1 Comp, wire bead, 60 tpi, 700x40c
Disk RotorsShimano SM-RT70, 160mm, Centerlock
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