Checkpoint SL 6 is a carbon gravel bike without limits. It's designed to take you places you'd never reach on a standard road bike—like the mud-caked finish line of the world's greatest gravel races. A lightweight OCLV Carbon frame with gravel-smoothing IsoSpeed, a full Shimano Ultegra drivetrain, and extra mounts for gear and accessories make Checkpoint SL 6 a true gravel powerhouse and the best choice for serious all-road adventurers.
It's right for you if...
You have big dreams for the likes of Dirty Kanza, Land Run 100, and Trans Iowa, and know you'll need the most dialed gravel bike for these epic adventures. You also love the idea of one bike with such incredible versatility that it excels at gravel racing, adventure road riding, bikepacking, and whatever kind of ride you feel like tackling next.
The tech you get
A 500 Series OCLV Carbon frame with Rear IsoSpeed, a full Shimano Ultegra drivetrain, powerful flat-mount hydraulic disc brakes, Bontrager Paradigm Comp Disc wheels with 12mm thru axles, and wide 700x40 Bontrager GR1 Team Issue Tubeless Ready gravel tires that provide extra traction and stability. Plus, Control Freak internal cable routing and a carbon seatmast cap.
The final word
Trek's best carbon gravel bike for the longest days, roughest roads, and biggest adventures. It's light, fast, comfortable, and spec'd with parts that stand up to the most rugged terrain, like the upgraded Bontrager Paradigm wheelset and a full Shimano Ultegra drivetrain.
Why you'll love it
- The IsoSpeed decoupler cuts down on fatiguing bumps in gravel so you can wander more, reach new places, and stay stronger longer
- This bike is exceedingly versatile and suited to a wide variety of ride styles, including gravel rides, bikepacking, and daily commutes
- Extra mounts on the top tube, seat tube, and both sides of the down tube make it easy to carry extra gear and water
- The Stranglehold Dropout makes it easy to fine-tune your geometry or run singlespeed
|Frame||500 Series OCLV Carbon, IsoSpeed, tapered head tube, Control Freak internal routing, Ride Tuned Seatmast, 3S chain keeper, rack and fender mounts, flat mount disc, Stranglehold dropouts|
|Fork||Checkpoint carbon, tapered carbon steerer, rack mounts, fender mounts, flat mount disc|
|Headset||FSA Integrated, sealed cartridge bearing, 1-1/8" top, 1.5" bottom|
Front: 12x100mm thru-axle
Rear: 12x142mm thru-axle
|Wheels/Rims||Bontrager Paradigm Comp 25, Tubeless Ready, 25mm rim width|
|Tires||Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700x40c|
|Crankset||Shimano Ultegra R8000|
|Bottom Bracket||Trek BB90|
|Chain||Shimano Ultegra HG701, 11 speed|
|Front Derailleur||Shimano Ultegra R8000, braze-on|
|Rear Derailleur||Shimano Ultegra RX800, Shadow Plus clutch, long cage, 34T max cog|
|Cassette/Rear Cogs||Shimano Ultegra HG800-11, 11-34, 11 speed|
|Shifters||Shimano Ultegra R8020, 11 speed|
|Handlebars||Bontrager Elite IsoZone VR-CF, alloy, 31.8mm|
|Tape/Grips||Bontrager Supertack Perf tape|
|Stem||Bontrager Pro, 31.8mm, Blendr compatible, 7 degree|
|Brakes||Shimano Ultegra R8070 hydraulic disc|
|Saddle||Bontrager Arvada Comp, steel rails|
|Seat Post||Bontrager Ride Tuned carbon seatmast cap, 20mm offset|
* Subject to change without notice.