Selle Italia SLR Boost 3D Kit Superflow L3 Carbon White 3D Casing-ASB PR This is a ratcheting wheel

This is a ratcheting wheel that only rotates in one direction

Syncros Belcarra Regular 2

Engineered to amplify both kick and acceleration

ferrule 10 mm

Selle Italia SLR Boost 3D Kit Superflow L3 Carbon White 3D Casing-ASB PR This is a ratcheting wheelMade with a proprietary, 3D printed pattern Provides support on the toughest road rides helping you conquer the steepest of climbs and fastest descents The differentiated cushioning zones give progressive absorption This high tech road specific saddle is one of the most advanced on the market L3: Wide intertrochanteric distance and high pelvic rotation (Flow and SuperFlow saddles) S3: Narrow intertrochanteric distance and high pelvic rotation (Flow