Size XL: available on order within 2 weeks. The Trek Check-OUT SL 5 in Dark Star/Dark Web is a fully suspended carbon gravel bike for gravel paths, bumpy roads, and single trails. The RockShox SIDluxe IsoStrut shock offers 55 mm of travel at the rear, while the RockShox Rudy XL fork provides 60 mm at the front. It also features Bontrager Paradigm Comp wheels, a Shimano GRX 12-speed drivetrain, and a TranzX Vario seat post. Item number: 5338109 EAN: 197216231264