Trek Checkpoint SL 5 AXS Gen 3 Gravel Bike
Brand: TREK
Reference: 5321638
Description
Trek's 2025 Checkpoint SL 5 AXS Gen 3 bike is an adventure-ready carbon gravel bike designed to ride to distant horizons. A lightweight carbon frame with comfort-oriented geometry, wheel clearance for 50mm tires (as measured) and various frame and fork mounts. Plus, IsoSpeed technology absorbs road vibrations to keep you floating over bumps. It's equipped with a SRAM Apex XPLR AXS 12-speed wireless drivetrain and a wide range of gears to explore the dustiest roads.
Details
It is ideal for you if...
You're looking for a carbon gravel bike to explore beyond the asphalt, and you want to save on components that you can improve over time. You want to enjoy the benefits of IsoSpeed technology, which absorbs vibrations to ride with more energy for longer, and numerous holders to carry all your things and hydration.
Features
The Checkpoint's Gravel Endurance geometry allows you to sit higher and offers a shorter reach, so you'll be comfortable on your day-long gravel adventures, riding light singletrack, riding bikepacking, and much more.
IsoSpeed comfort technology absorbs vibrations from uneven terrain so you feel comfortable for longer
The SRAM Apex XPLR AXS 12-speed drivetrain offers precise, completely wireless shifting designed for the most demanding roads
Wheel pitch for 50mm tires (as measured) means more traction and cushioning on the most demanding gravel roads
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 - 9.50 kg / 20.95 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
SRAM Apex XPLR eTap AXS rear derailleur, max. 44T
*Peddalier
Size: XS, S
SRAM Apex 1, 40T, DUB Wide, 165 mm length
Size: M
SRAM Apex 1, 40T, DUB Wide, 170 mm length
Size: ML, L
SRAM Apex 1, 40T, DUB Wide, 172.5 mm length
Size: XL
SRAM Apex 1, 40T, DUB Wide, 175 mm length
SRAM DUB bottom bracket, T47 threaded, internal bearing
SRAM XPLR PG-1231 cassette, 11-44, 12 speeds
SRAM Apex chain, 12 speeds
Maximum plate size 1x: 44 2x: 46/30
Wheels
Bontrager Paradigm SL front wheel, Tubeless Ready, 21 mm rim width, 100x12 mm thru axle
Bontrager Paradigm SL rear wheel, Tubeless Ready, 21 mm rim width, 142x12 mm thru axle
Bontrager aluminum front hub, sealed bearing, centerlock disc, 100x12 mm thru axle
Front closure Bontrager Switch beveled thru axle, removable lever
Bontrager alloy rear hub, sealed bearing, centerlock disc, Shimano 11-speed hub, 142x12 mm thru axle
Rear closure Bontrager Switch beveled thru-axle, removable lever
Bontrager Paradigm SL rim, Tubeless Ready, 24 holes, 21 mm width, Presta valve
Stainless steel spokes 14 g, black
*Cover
Size: XS, S, M, ML, L, XL
Bontrager Girona Pro, Tubeless Ready, GR anti-puncture protection, aramid rim, 60 tpi, 700x42 mm
Size: XS, S, M, ML, L, XL
Bontrager Girona RSL, Tubeless Ready, GR anti-puncture protection, aramid rim, 220 tpi, 700x42 mm
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 Comp, steel rails, 155 mm width
Size: M, ML, L, XL
Verse Short Comp, steel rails, width 145 mm
Bontrager carbon seatpost, 27.2 mm, 8 mm offset, 330 mm length
*Handlebar
Size: XS
Bontrager Elite Gravel, aluminum, width 40 cm
Size: S, M
Bontrager Elite Gravel, aluminum, width 42 cm
Size: ML, L
Bontrager Elite Gravel, aluminum, width 44 cm
Size: XL
Bontrager Elite Gravel, aluminum, width 46 cm
Handlebar tape Bontrager Supertack Perf handlebar tape
*Power
Size: XS
Bontrager Elite, 31.8 mm, Blendr compatible, 7 degrees, length 60 mm
Size: S
Bontrager Elite, 31.8 mm, Blendr compatible, 7 degrees, length 70 mm
Size: M, ML
Bontrager Elite, 31.8 mm, Blendr compatible, 7 degrees, length 80 mm
Size: L
Bontrager Elite, 31.8 mm, Blendr compatible, 7 degrees, length 90 mm
Size: XL
Bontrager Elite, 31.8 mm, Blendr compatible, 7 degrees, length 100 mm
SRAM Paceline brake disc, rounded, centerlock, 160 mm
Maximum brake disc sizes: 180 mm front and rear
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