Trek Checkpoint SL 6 AXS Gen 3 Gravel Bike 2025

As a product expert, you may seek adventure and a versatile bike to successfully navigate less-traveled routes. To ensure comfort during challenging distances, opt for IsoSpeed technology. With an upgraded drivetrain and ample mounts, you can conquer the deepest gravel and easily transport your gear and hydration packs.

This 2025 Trek Checkpoint SL 6 AXS Gen 3 Gravel Bike boasts a 500 Series OCLV Carbon frame and carbon fork with features such as internal downtube storage and frame and fork mounts. It also offers ample clearance for 50 mm tyres (as measured). The bike is equipped with a 12-speed 1x SRAM Rival AXS fully wireless drivetrain, hydraulic disc brakes, a carbon seat post, and Tubeless Ready Bontrager Paradigm Comp wheels with 42 mm tyres.

The Checkpoint SL 6 AXS Gen 3 is designed specifically for exploration. It features IsoSpeed technology to reduce chatter, a carbon frame for lightweight durability, and upgraded components in key areas such as the SRAM Rival AXS wireless shifting.

• 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, 142x12 mm chamfered thru axle
  
• Fork Checkpoint full carbon, tapered carbon steerer, mudguard mounts, triple rack mounts, flat-mount disc, 12x100 mm chamfered thru axle
  
• Battery SRAM eTap battery pack (with charger)
• *Shifter    
• Size: XS, S, M, ML, L, XL SRAM Rival eTap AXS, 12-speed
  
• Size: XS, S, M, ML, L, XL 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
  
• 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
  
• Tyre Bontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42 mm
  
• Tyre part Bontrager TLR sealant, 180 ml/6 oz
  
• Rim strip Bontrager TLR
  
• *Saddle    
• Size: XS, S Verse Short Comp, steel rails, 155 mm width
  
• Size: M, ML, L, XL Verse Short Comp, steel rails, 145 mm width
  
• Seatpost Bontrager carbon, 27.2 mm, 8 mm offset, 330 mm length
  
• *Handlebar    
• Size: XS Bontrager Elite Gravel, alloy, 40 cm width
  
• Size: S, M Bontrager Elite Gravel, alloy, 42 cm width
  
• Size: ML, L Bontrager Elite Gravel, alloy, 44 cm width
  
• Size: XL Bontrager Elite Gravel, alloy, 46 cm 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, CentreLock, 160 mm
  
• Rotor size Max brake rotor sizes: 180mm front and rear
• 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 125 kg (275 lb).