Trek CheckOUT SL 5 2026 Gravel Bike

The CheckOUT SL 5 is an adventure-ready full-suspension gravel bike for getting far, far out there. Its carbon frame delivers 55 mm of rear travel from a RockShox SIDluxe Iso Strut shock, while a RockShox Rudy XL fork smooths rowdy roads and trails with 60 mm of travel.

It comes ready to explore with Bontrager Paradigm Comp wheels, a 12-speed Shimano GRX drivetrain and Tranz X dropper post. Specifications Frameset Frame: 500 Series OCLV Carbon, integrated frame bag mounts, integrated rack, T47, UDH, 142x12 mm chamfered thru axle, 55 mm travel Fork: RockShox Rudy XL Ultimate, Charger Race Day 2 Solo Air spring, tapered steerer, 45 mm offset, 12x100 mm thru axle, 60 mm travel Rear Shock: RockShox SIDluxe Ultimate 3 P, 170 mm x 27.5 mm Wheels Rims: Bontrager Paradigm Comp 25, Tubeless Ready, 25 mm rim width, 100x12 mm thru axle Tyres: Bontrager Betasso RSL GX, Tubeless ready, aramid bead, 60 tpi, 700x55 mm Drivetrain Crankset: Shimano GRX RX610, 38 T Rear Derailleur: Shimano GRX RX822, 51 T max cog Chain: Shimano XT M8100, 12-speed Cassette: Shimano XT M8200, 10-51, 12-speed Bottom Bracket: Praxis, T47 threaded, internal bearing Components Handlebar: Bontrager GR Checkout Stem: Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree Grips: Bontrager Supertack Perf tape Saddle: Verse Short Comp, steel rails, 145 mm width Seatpost: TranzX JD-YSI36, 100 mm travel, internal routing, 31.6 mm, 328 mm length Extras: Checkout rear rack Trek Checkout Sizing S (49cm) M (52-54cm) ML (56cm) L (58cm) XL (61cm) Rider Height (cm) 158 - 164 164 - 177 177 - 188 188 - 194 194 - 203 Inseam (cm) 74 - 77 77 - 83 83 - 88 88 - 91 91 - 95