HP Velotechnik Adapter for ErgoMesh Seat Bottle Set baskets and racks HG spline (ROAD 11-speed): Yes

HG spline (ROAD 11-speed): Yes

Narrow (58cm) handlebars for Under Seat Steering (USS) for the HP Velotechnik Street Machine GTe

Max tire size: 26" x 1

and Gekko fxs

HP Velotechnik Adapter for ErgoMesh Seat Bottle Set baskets and racks HG spline (ROAD 11-speed): YesThe HP Velotechnik Replacement Bottle Cage Adapter for the ErgoMesh Seat Bottle Set can come in handy if you need new hardware. Only works on the mounting holes on the back of back of HP Velotechnik Gekko, ErgoMesh and ErgoMesh premium seats. Does not work on the BodyLink Seat from HP Velotechnike. Mounting hardware, bottle cages and bottles not included. Sold as a pair.