Selle Italia SLR 3D Carbon L3 Carbon Rails 3D Printed Black MFPN=00.7618.184.000 The chuck also features a

The chuck also features a built-in valve core tool for easy valve tightening and removal

Lightweight CNC machined aluminum with laser etched logos

Sit-bone Gel pads relieve pressure from soft tissue

used for re-aligning rear derailleur hangers and maintaining precise gear shifting

Selle Italia SLR 3D Carbon L3 Carbon Rails 3D Printed Black MFPN=00.7618.184.000 The chuck also features aThe proprietary printing pattern and Carbon DLS technology of the SLR 3D Carbon helps make it the lightest 3D printed saddle available The differentiated cushioning zones give progressive absorption and the carbon rails provide strength and ensure comfort on every pedal stroke L3: Wide intertrochanteric distance and high pelvic rotation (Flow and SuperFlow saddles) S3: Narrow intertrochanteric distance and high pelvic rotation (Flow and SuperFlow