Ritchey WCS Switch Upper Headset - Switch System Compatibility Only ZS55/28.6 Upper 28.6 Threadless BLK CheckoutTitle=Garmin Tacx Alpine Trainer } Using cold forging technology Inner Ring Compatibility:32T

Ritchey WCS Switch Upper Headset Switch System Compatibility Only ZS55 28.6 Upper 28.6 Threadless BLK CheckoutTitle=Garmin Tacx Alpine Trainer } Using cold forging technology Inner Ring Compatibility:32T } Using cold forging technology rather than CNC machining gives the stem an incredibly smooth and unique shape STC (Shark Tooth Clamping) for a secure bar grip and less slipping Weight saving internal machining model Explorer disc rack with spring front rear rear weight 800g capacity 26kg 57lbs Cables are routed from the handlebar into the headset conduit which sits on the underside of the Switch Stem and then travel through an opening on the front of the WCS Switch headset spacers before passing through two channels on the top of the headset and into the frame 5" head tubes together with tapered 1 1 8" – 1