Trek Checkpoint SL 5 AXS Gen 3 Gravel Bike 2025 in Trek Black/Matte Carbon Smoke

The Checkpoint SL 5 AXS Gen 3 is an adventure-ready carbon gravel bike built to roll into the distant horizon. Its lightweight carbon frame is designed with comfort-focused geometry, room for beefy 50 mm tyres (as measured), and plenty of frame and fork mounts. Plus, IsoSpeed comfort technology helps soak up jarring road vibrations, helping you float over chatter and potholes. It comes equipped with a wireless 12-speed SRAM Apex XPLR AXS drivetrain to deliver plenty of gears for exploring the dusty road.

You want a carbon gravel bike for exploring the beyond, and want to save on parts you can upgrade over time. You want the gravel-smoothing benefits of IsoSpeed tech that soaks up chatter from below so you can ride stronger for longer and plenty of mounts to carry all your gear and hydration.

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

When you’re ready to load up and explore the road less travelled, reach for the Checkpoint SL 5 AXS Gen 3. This capable and comfortable gravel bike balances price and performance with a blend of components that deliver reliably and a frame that’s packed with road-smoothing features.

Please note: accessories in final image not included

Outfit your bike with either a Trek Adventure Frame Bag or a Trek Adventure Triangle Bag (full sizing information can be found on bag pages).

Key Features & Benefits:

• Road-smoothing IsoSpeed comfort tech:Soaks up vibration from rough surfaces to keep you feeling fresher for longer
• Clearance for 50 mm Tyres:Means that you can add extra traction and cushion for rowdy gravel roads.
• SRAM Apex XPLR AXS 12 speed:Precise, fully wireless shifting that’s made for the roughest roads.

Full Specification:

• Frame:500 Series OCLV Carbon, IsoSpeed, downtube storage door, hidden mudguard mounts, rack mounts, integrated frame bag mounts, invisible cable routing, T47, flat-mount disc, integrated chainkeeper, removable FD hanger, UDH, 142×12 mm chamfered thru axle
• Fork:Checkpoint full carbon, tapered carbon steerer, fender mounts, triple rack mounts, flat mount disc, 12x100mm chamfered thru axle
• Number of Gears:12
• Gear Shifters:SRAM Apex XPLR AXS 12-speed
• Chainset:SRAM Apex 1, 40T, DUB Wide, XS/S: 165 mm, M: 170 mm, ML/L: 172.5 mm, XL: 175 mm length
• Chainrings:40T
• Rear Cassette:SRAM XPLR PG-1231, 11-44, 12-speed
• Chain:SRAM Apex, 12-speed
• Front Derailleur:N/A
• Rear Derailleur:SRAM Apex XPLR eTap AXS, 44T max cog
• Bottom Bracket:SRAM DUB, T47 threaded, internal bearing
• Pedals:Not supplied:Shop pedals here
• Rims:Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21 mm width, Presta valve
• Front Hub:Bontrager alloy, sealed bearing, CenterLock disc, 100×12 mm thru axle
• Rear Hub:Bontrager alloy, sealed bearing, CenterLock disc, Shimano 11-speed freehub, 142×12 mm thru axle
• Front Tyre:Bontrager Girona RSL, Tubeless Ready, GR puncture protection, aramid bead, 220 tpi, 700×42 mm
• Rear Tyre:Bontrager Girona RSL, Tubeless Ready, GR puncture protection, aramid bead, 220 tpi, 700×42 mm
• Brakes:SRAM Apex hydraulic disc, flat mount
• Handlebars:Bontrager Elite Gravel, alloy, XS: 40 cm, S/M: 42 cm, ML/L: 44cm, XL: 46cm width
• Handlebar Grips:Bontrager Supertack Perf tape
• Headset:FSA Integrated, sealed cartridge bearing, 1-1/8″ top, 1.5″ bottom
• Stem:Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 60-100mm length
• Saddle:Bontrager Verse Comp, steel rails, XS/S: 155 mm, M/ML/L/XL: 145 mm width
• Seatpost:Bontrager carbon, 27.2 mm, 12 mm offset, 330 mm length
• Weight:ML – 9.50 kg / 20.95 lbs (with TLR sealant, no tubes)