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The 2021 Trek Checkpoint SL 6 is a carbon frame gravel bike with high-end components and hydraulic disc brakes.

2021 Trek Checkpoint SL 6
MSRP$3,999
Online Price
$1

At

CategoryGravel
Weight20.1 lbs
FrameCarbon
ForkCarbon
Wheel Size700c
Wheel MaterialAluminum
Brake TypeHydraulic Disc
GroupsetGRX 800
Drivetrain2 × 11
Gear Range

Trek Checkpoint SL 6

38 mph
SeatpostRigid
Brand Sitetrekbikes.com
Suggested Bikes

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more. Learn more

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Checkpoint SL 6

Geometry

Specs
Frame

500 Series OCLV Carbon, IsoSpeed, 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 carbon steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle

Bottom Bracket

Trek BB90

Headset

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

Stem

Size: 49, Bontrager Pro, 31.8mm, Blendr compatible, 7 degree, 80mm length; Size: 52, 54, Bontrager Pro, 31.8mm, Blendr compatible, 7 degree, 90mm length; Size: 56, 58, Bontrager Pro, 31.8mm, Blendr compatible, 7 degree, 100mm length; Size: 61, Bontrager Pro, 31.8mm, Blendr compatible, 7 degree, 110mm length

Handlebar

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

Saddle

Bontrager Arvada Comp, steel rails, 138mm width

Seatpost

Size: 49, 52, 54, 56, Bontrager carbon seatmast cap, 20mm offset, short length; Size: 58, 61, Bontrager carbon seatmast cap, 20mm offset, tall length

Groupset
Rear Derailleur

Shimano GRX RX810, long cage, 34T max cog

Front Derailleur

Shimano GRX RX810, braze-on

Crank

Size: 49, 52, Shimano GRX RX810, 48/31, 170mm length; Size: 54, 56, Shimano GRX RX810, 48/31, 172.5mm length; Size: 58, 61, Shimano GRX RX810, 48/31, 175mm length

Shifters

Shimano GRX RX810, 11 speed

Cassette

Shimano Ultegra HG800-11, 11-34, 11 speed

Chain

Shimano Ultegra HG701, 11-speed

Brakes

Shimano RX810 hydraulic disc, flat mount

Wheels
Rims

Bontrager Paradigm Comp 25, Tubeless Ready, 25mm rim width, 100x12mm thru axle

Tires

Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700x40c

Disk Rotors

Shimano RT800, centerlock, 160mm