Trek CheckOUT SL 5 2026
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2026 Trek CheckOUT SL 5 – Full-Suspension Adventure Gravel Bike
The Trek CheckOUT SL 5 redefines gravel performance with full-suspension design built for ultimate versatility. Faster than a mountain bike on pavement and more capable than a rigid gravel bike on singletrack, this carbon adventure rig is made for epic rides—whether you’re tackling the Tour Divide or exploring new backroads. Its OCLV Carbon frame is tested to mountain bike standards for strength and durability, while Trek’s new Gravel Adventure geometry delivers stability, comfort, and confidence mile after mile. A flared drop bar ensures control on rough terrain while keeping you efficient on the hoods, making the CheckOUT SL 5 your go-to for every adventure in between.
FEATURES |
Ride-it-all suspension: 55mm rear travel and a new 60mm Rudy XL suspension fork designed in collaboration with RockShox help smooth out rough gravel roads and let you venture onto singletrack with more comfort and capability than a rigid gravel bike. The ultimate off-road drop bar: A new GR CheckOUT gravel drop bar has multiple hand positionings for more comfort and efficiencey wherever your ride takes you. Settle into narrow tops for more speed on champagne gravel or reach for the extra wide drops for total control on the rough stuff. The science of full suspension gravel: CheckOUT's full suspension setup is proven to decrease fatigue and increase comfort and control when compared to its rigid counterparts, leading to a 7.3% reduction in rider ventilation, a 41.5% reduction in fatiguing vibrational energy, and 23% less steering variation. Big ol' tire clearance: Room for tires up to 56mm/2.2″ wide lets you tackle the rough stuff with confidence. Geometry designed to keep you in control: Get more stability and comfort on multi-surface, multi-day adventures with an all-new Gravel Adventure geometry designed with a longer reach and higher stack. Built for bikepacking: Haul it all with 18* frame mounts, an integrated rear rack that works with the bike's suspension and dropper post, and Adjustable Multi-Mounts that lets you position your bottles and gear exactly where you want 'em in the frame.*Sizes ML and up Exclusive Topo frame bag: Carry your stash in style with a Topo Designs frame bag that’s the perfect fit for the all-new CheckOUT*Sold separately. Only available in M, M/L, & L. Trail-tested carbon frame: Pack heavy and still ride light with a 500 Series OCLV Carbon frame tested to robust mountain bike standards. |
SPECS |
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| FRAMESET |
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| DRIVETRAIN |
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| WHEELS |
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 Rear: Bontrager Switch chamfered thru axle, removable lever Tire: Bontrager Betasso RSL GX, Tubeless ready, aramid bead, 60 tpi, 700x50mm Tire Part: Bontrager TLR sealant, 180 ml/6 oz Rim Strip: Bontrager TLR Max Tire Size: 56mm/2.20" (as measured, see manual for details) |
| COMPONENTS |
Saddle: Verse Short Comp, steel rails, 145mm width Seatpost: TranzX JD-YSI36, 100mm travel, internal routing, 31.6mm, 328mm length *Handlebar: Size: S Bontrager GR Checkout, 42cm Size: M Bontrager GR Checkout, 44cm Size: ML, L Bontrager GR Checkout, 46cm Size: XL Bontrager GR Checkout, 48cm Handlebar Tape: Bontrager Supertack Perf tape *Stem: Size: S, M Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 60mm length Size: ML, L Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 70mm length Size: XL Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 80mm length Shimano CL800, centerlock, 160mm Max brake rotor sizes: 180mm front & rear |
| ACCESSORIES |
Cargo Rack: Checkout rear rack |
| WEIGHT |
Weight: ML - 11.97 kg / 26.39 lbs (with TLR sealant, no tubes, excluding rear rack) Weight Limit: This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg). |