Ritchey WCS Switch Stem - 31.8mm Clamp 120mm Black MFPN=DLM903.R900.0S0.HP Fits most calipers including Shimano

Fits most calipers including Shimano Avid SRAM and Hayes

Includes 42mm valve with removable core

Its game-changing Full Mount attachment method creates a far stronger connection and grips both sides of the frame

Dual compounds to balance rolling resistance and traction

Ritchey WCS Switch Stem - 31.8mm Clamp 120mm Black MFPN=DLM903.R900.0S0.HP Fits most calipers including ShimanoThe WCS Switch stem was designed to stealthily conceal cables into the headset and frame. Up to three cables such as for the rear brake shifter electronic drivetrain or even dropper post are effortlessly integrated with the Ritchey Switch System spacers and Switch headset (both sold separately) to cleanly route the hidden cables into the frame. The Ritchey Switch System is an innovative integrated system designed to easily conceal internally routed