Checkpoint SL 5 AXS Gen 3 - Trek Black/Matte Carbon Smoke

This trail-ready gravel bike delivers a perfect balance of performance and rugged utility, making it an excellent match for weekend trail exploration, multi-day bikepacking adventures, or a rock-solid daily driver. Equipped with a premium Checkpoint full carbon fork to absorb bumps and trail chatter, this model features an advanced 500 Series OCLV Carbon frame with road-smoothing IsoSpeed technology and an integrated downtube storage door, a crisp, wireless electronic-shifting 12-speed SRAM Apex AXS drivetrain, and a factory-spec Bontrager carbon seatpost for premium comfort.

Specifications

Frameset & Suspension

• Frame: 500 Series OCLV Carbon, IsoSpeed comfort decoupling, downtube storage door, hidden mudguard mounts, rack mounts, integrated frame bag mounts, RCS Headset System, invisible cable routing, T47 bottom bracket shell, flat-mount disc brakes, integrated chainkeeper, removable front derailleur (FD) hanger, UDH (Universal Derailleur Hanger), 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.

E-System / Electronics

• Battery: SRAM AXS battery pack included.

• Charger: SRAM AXS battery charger included.

Drivetrain & Shifting (SRAM Apex AXS 1x12 Electronic)

• Shifter: SRAM Apex AXS, 12-speed wireless electronic.

• Front Derailleur: N/A (1x Dedicated single-ring drivetrain layout; removable FD hanger).

• Rear Derailleur: SRAM Apex XPLR eTap AXS, wireless electronic, 44T max cog capacity.

• Cassette: SRAM XPLR PG-1231, 11-44, 12-speed.

• Chain: SRAM Apex, 12-speed.

• Bottom Bracket: SRAM DUB Wide, T47 threaded, internal bearing.

• Pedals: Platform pedals sold separately.

• Crankset Configurations (SRAM Apex 1, 40T, DUB Wide):

  • Sizes XS, S: 165 mm length.

  • Size M: 170 mm length.

  • Sizes ML, L: 172.5 mm length.

  • Size XL: 175 mm length.

• Max Chainring Limits: 1x configuration: Maximum 44T | 2x configuration: Maximum 46/30 | 3x configuration: N/A.

Brakes & Rotors

• Brakes: SRAM Apex hydraulic disc, flat-mount calipers.

• Rotors: SRAM Paceline, rounded edge profiles, CenterLock hubs, 160 mm front and rear.

• Rotor Size Limits: Frame and fork maximum capacity is 180 mm front and rear.

Wheels & Tyres

• Rims: Bontrager Paradigm SL, Tubeless Ready, 21 mm internal rim width, Presta valve layout.

• Front Hub: Bontrager alloy, sealed bearing, CenterLock disc, 100x12 mm thru-axle.

• Front Thru-Axle Skewer: Bontrager Switch chamfered thru-axle.

• Rear Hub: Bontrager alloy, sealed bearing, CenterLock disc, 142x12 mm thru-axle.

• Rear Thru-Axle Skewer: Bontrager Switch chamfered thru-axle, with integrated removable lever.

• Tyres: Bontrager Girona RSL, Tubeless Ready, GR puncture protection, aramid folding bead, high-performance 220 tpi casing, 700x42 mm.

• Included Tubeless Spares: Bontrager TLR rim strips and Bontrager TLR sealant (180 ml / 6 oz).

• Max Tyre Clearance: Frame limits at 50 mm without mudguards, or 42 mm with mudguards (as measured, see manual for details).

Cockpit & Components

• Seatpost: Bontrager carbon, 27.2 mm diameter, 8 mm offset, 330 mm length.

• Handlebar Tape: Bontrager Supertack Perf tape.

• Saddle Geometry by Size (Verse Short Comp, steel rails):

  • Sizes XS, S: 155 mm width.

  • Sizes M, ML, L, XL: 145 mm width.

• Handlebars standard by Size (Bontrager Elite Gravel, alloy):

  • Size XS: 40 cm width.

  • Sizes S, M: 42 cm width.

  • Sizes ML, L: 44 cm width.

  • Size XL: 46 cm width.

• Stem Geometry by Size (Bontrager Elite, 31.8 mm clamp, 7-degree rise):

  • Size XS: 60 mm length (Blendr compatible).

  • Size S: 70 mm length (Blendr compatible).

  • Sizes M, ML: 80 mm length (Blendr compatible).

  • Size L: 90 mm length (Blendr compatible).

  • Size XL: 100 mm length (Blendr compatible).

Sizing, Weight & Performance Limits

• Alpha Sizes Available: XS, S, M, ML, L, XL

• Total Bike Weight: 9.50 kg / 20.95 lb (Size ML configuration setup with factory TLR sealant, no inner tubes).

• Weight Limit: This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 125 kg (275 lb).

Included Accessories

• Frame Storage System: Bontrager BITS Internal Frame Storage Bag.

Please Note: We make every effort to ensure the accuracy of the specification information, but components are subject to change by the manufacturer at any time without prior notice due to ongoing factory running parts substitutions. Bike and frame weights are based on pre-production painted frames at time of publication; production variances may occur.