The updated SL-K stem is lighter than ever – just 159g for the 100mm length. Using high-strength 2014 aluminium and sophisticated forging and machining, we can finely control the amount of material used to cut weight while maintaining the SL-K's renowned stiffness. Fully compatible with FSA's Semi integrated Cable Routing (SCR) system and includes a 1-1/4” to 1-1/8” adaptor shim. Semi integrated Cable Routing (SCR) 3D forged and CNC machined AL2014 Chromoly hardware 40mm fork clamp stack height Shim to adapt 1-1/4” stem to 1-1/8” steer tube Included Flush fit aero top cap included 159 grams (100mm)