Trek Checkpoint SL 6 Gen 3 2025

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  • Overview
  • Checkpoint SL 6 AXS Gen 3 is a carbon gravel bike ready for far-out adventures. Its lightweight carbon frame is designed with comfort-focused Gravel Endurance geometry, clearance for beefy 50mm tires (as measured), and plenty of frame and fork mounts.

Product details

IN STORE PICKUP OR LOCAL DELIVERY ONLY

Checkpoint SL 6 AXS Gen 3 is a carbon gravel bike ready for far-out adventures. Its lightweight carbon frame is designed with comfort-focused Gravel Endurance geometry, clearance for beefy 50mm tires (as measured), and plenty of frame and fork mounts. Plus, IsoSpeed frame technology helps soak up jarring road vibrations, helping you float over chatter and potholes. It's ready to cut loose with a SRAM Rival AXS wireless 12-speed groupset.

 

 

IT'S RIGHT FOR YOU IF

You're itching for adventure and want a bike that's up for taking the road less traveled. You want IsoSpeed comfort tech to help you stay comfortable on the hardest miles, an upgraded drivetrain that can hang tough when the gravel gets deep, and plenty of mounts to carry your gear and hydration.

THE TECH YOU GET

A 500 Series OCLV Carbon frame with a carbon fork, internal downtube storage, frame and fork mounts, and clearance for 50mm tires (as measured). A 12-speed 1x SRAM Rival AXS fully wireless drivetrain, hydraulic disc brakes, carbon seatpost, and Tubeless Ready Bontrager Paradigm Comp wheels with 42mm tires.

THE FINAL WORD

Checkpoint SL 6 AXS Gen 3 is made to explore, with the chatter-smoothing benefit of IsoSpeed, a lightweight carbon frame, and upgraded components where they matter most, like the SRAM Rival AXS wireless shifting.

WHY YOU'LL LOVE IT

Checkpoint's Gravel Endurance geometry lets you sit higher up and features a shorter reach to keep you comfortable on all-day gravel adventures, light singletrack, bikepacking trips, and more

Road-smoothing IsoSpeed comfort tech soaks up vibration from rough surfaces to keep you feeling fresher longer

You get crisp and clean shifts from the upgraded SRAM Rival AXS wireless electronic 12-speed drivetrain

Clearance for 50mm tires (as measured) means you can add extra traction and cushion for rowdy gravel roads

You can haul it all with large internal frame storage and mounts galore on the frame and fork for hydration, front and rear racks, fenders, and Adventure Bags that were designed to perfectly fit Checkpoint

Dropper post and suspension fork compatible (except size XS)

SPECS

 

FRAMESET

Frame: 500 Series OCLV Carbon, IsoSpeed, downtube storage door, hidden fender mounts, rack mounts, integrated frame bag mounts, invisible cable routing, T47, flat mount disc, integrated chainkeeper, removable FD hanger, UDH, 142x12mm chamfered thru axle

Fork: Checkpoint full carbon, tapered carbon steerer, fender mounts, triple rack mounts, flat mount disc, 12x100mm chamfered thru axle

Max Compatible Fork Travel: 40 mm (XS: compatible with rigid fork only)
See Checkpoint SL Gen 3 FAQ for compatible options

WHEELS

Wheel Front: Bontrager Paradigm Comp 25, Tubeless Ready, 25 mm rim width, 100x12 mm thru axle

Wheel Rear: Bontrager Paradigm Comp 25, Tubeless Ready, 25mm rim width, SRAM XD-R 12-speed freehub, 142x12 thru axle

Skewer Front: Bontrager Switch chamfered thru axle, removable lever

Skewer Rear: Bontrager Switch chamfered thru axle, removable lever

Rim: Bontrager Paradigm Comp 25, Tubeless Ready, 25mm rim width

Tire: Bontrager Girona RSL, Tubeless Ready, GR puncture protection, aramid bead, 220 tpi, 700x42mm

Tire Part: Bontrager TLR sealant, 180 ml/6 oz

Rim Strip: Bontrager TLR

Max Tire Size: 50mm without fenders, 42mm with fenders

E SYSTEM

Battery: SRAM eTap battery pack (with charger)

DRIVETRAIN

Shifter: SRAM Rival eTap AXS, 12 speed

Rear Derailleur: SRAM Rival XPLR eTap AXS, 44T max cog

Crank:  Size: XS, S
SRAM Rival, 40T, DUB Wide, 165 mm length

Size: M
SRAM Rival, 40T, DUB Wide, 170 mm length

Size: ML, L
SRAM Rival, 40T, DUB Wide, 172.5 mm length

Size: XL
SRAM Rival, 40T, DUB Wide, 175 mm length

Bottom Bracket: SRAM DUB, T47 threaded, internal bearing

Cassette: SRAM XG-1251, 10-44, 12 speed

Chain: SRAM Rival, 12 speed

Max Chainring Size: 1x:44 2x: 46/30

COMPONENTS

Saddle: Bontrager Verse P3, steel rails

Seatpost: Bontrager carbon, 27.2mm, 8mm offset, 330mm length

*Handlebar: Size: XS
Bontrager Elite Gravel, alloy, 40cm width

Size: S, M
Bontrager Elite Gravel, alloy, 42cm width

Size: ML, L
Bontrager Elite Gravel, alloy, 44cm width

Size: XL
Bontrager Elite Gravel, alloy, 46cm width

Handlebar Tape: Bontrager Supertack Perf tape

*Stem: Size: XS
Bontrager Pro, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length

Size: S
Bontrager Pro, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length

Size: M, ML
Bontrager Pro, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length

Size: L
Bontrager Pro, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length

Size: XL
Bontrager Pro, 31.8 mm, Blendr-compatible, 7-degree, 100 mm length

Brake Rotor: SRAM Paceline, rounded, centerlock, 160mm

Rotor Size: Max brake rotor sizes: 180mm front & rear

WEIGHT

 
Weight: ML - 9.40 kg / 20.73 lbs (with TLR sealant, no tubes)
 
Weight Limit: This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg).
 

 

 

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