Brand: TREK
Reference: 5321686
Trek's 2025 Checkpoint SL 7 AXS Gen 3 bike is a carbon gravel bike designed for further exploration. Its lightweight carbon frame is designed with Gravel Endurance geometry, plenty of mounts, and a wheel arch for tires up to 50mm (depending on measurements). Plus, IsoSpeed comfort technology absorbs annoying road vibrations and lets you float over bumps. It's equipped with upgrades where you need them most, like carbon wheels and seatpost, and a SRAM Force AXS D2 wireless drivetrain.
It is ideal for you if...
You're ready to ride more miles and explore more, and you're looking for a gravel bike that's up to the task... and more. You want the smoothness of IsoSpeed, plus other important upgrades like carbon wheels and a SRAM Force AXS D2 wireless drivetrain.
Features
The Checkpoint's Gravel Endurance geometry lets you sit higher and offers a shorter reach, so you'll be comfortable on day-long gravel adventures, riding light singletrack, bikepacking, and more. further.
IsoSpeed comfort technology absorbs vibrations from uneven terrain so you feel comfortable for longer
Includes interesting improvements, such as Bontrager Aeolus Elite 35V carbon wheels and the SRAM Force AXS D2 12-speed wireless electronic transmission
Wheel clearance for 50mm tires (as measured) adds traction and absorption on demanding roads and singletrack sections
You can carry it all thanks to ample internal frame storage and numerous frame and fork mounts for hydration, front and rear racks, fenders, and Adventure Bags designed to perfectly fit the Checkpoint.
Compatible with telescopic post and suspension fork (except in size XS)
Frame set
OCLV Carbon frame 500 Series, IsoSpeed, internal down tube storage cap, hidden fender mounts, rack mounts, integrated frame bag mounts, invisible internal routing, 47T, flat mount disc, integrated chain guard, dropout removable derailleur, UDH, 142x12mm beveled thru axle
Checkpoint full carbon fork, tapered carbon steerer, fender mounts, triple rack mounts, flat mount disc, 12x100mm chamfered thru axle
Maximum compatible fork travel 40 mm (XS: compatible only with rigid fork)
See Checkpoint SL Gen 3 FAQ for compatible options
Weight
ML Weight - 9.00 kg / 19.85 lbs (with TLR sealant, without tubes)
Weight limit This bicycle has a maximum weight limit (combined weight of bicycle, rider and load) of 125 kg.
Electrical system
Battery SRAM eTap battery pack (with charger)
Transmission
*Shift lever
Size: XS, S, M, ML, L, XL
SRAM Force AXS D2, 12 speeds
Size: XS, S, M, ML, L, XL
SRAM Force AXS D2, 12 speed
SRAM Force XPLR AXS D2 rear derailleur, max. 44T
*Peddalier
Size: XS, S
SRAM Force 1 D2, 40T, DUB, 165 mm length
Size: M
SRAM Force 1 D2, 40T, DUB, 170 mm length
Size: ML, L
SRAM Force 1 D2, 40T, DUB, 172.5 mm length
Size: XL
SRAM Force 1 D2, 40T, DUB, 175 mm length
SRAM DUB bottom bracket, T47 threaded, internal bearing
SRAM XG-1271 cassette, 10-44, 12 speeds
Maximum plate size 1x: 44 2x: 46/30
Wheels
Bontrager Aeolus Elite 35V front wheel, OCLV Carbon, Tubeless Ready, 35mm rim depth, 100x12mm thru axle
Bontrager Aeolus Elite 35V rear wheel, OCLV carbon, Tubeless Ready, 35 mm rim profile, SRAM XD-R adapter, 142x12 mm thru axle
Front closure Bontrager Switch beveled thru axle, removable lever
Rear closure Bontrager Switch beveled thru-axle, removable lever
Bontrager TLR Sealant Cover Piece, 6oz
Bontrager TLR rim tape
Max. size. tire width 50 mm without fenders, 42 mm with fenders
Components
*Saddle
Size: XS, S
Verse Short Elite, hollow magnesium rails, 155 mm width
Size: M, ML, L, XL
Verse Short Elite, hollow magnesium rails, 145 mm width
Bontrager carbon seatpost, 27.2 mm, 8 mm offset, 330 mm length
*Handlebar
Size: XS
Bontrager Pro Gravel, width 40 cm
Size: S, M
Bontrager Pro Gravel, width 42 cm
Size: ML, L
Bontrager Pro Gravel, width 44 cm
Size: XL
Bontrager Pro Gravel, width 46 cm
Handlebar tape Bontrager Supertack Perf handlebar tape
*Power
Size: XS
Bontrager Pro, 31.8 mm, Blendr compatible, 7 degrees, 60 mm length
Size: S
Bontrager Pro, 31.8 mm, Blendr compatible, 7 degrees, 70 mm length
Size: M, ML
Bontrager Pro, 31.8 mm, Blendr compatible, 7 degrees, 80 mm length
Size: L
Bontrager Pro, 31.8 mm, Blendr compatible, 7 degrees, 90 mm length
Size: XL
Bontrager Pro, 31.8 mm, Blendr compatible, 7 degrees, 100 mm length
SRAM Force AXS Hydraulic Disc Brake
SRAM CenterLine X brake disc, centerlock, rounded edge, 160 mm
Disc size Maximum brake disc sizes: 180 mm front and rear