Selle Italia SLR Boost 3D Kit Superflow S3 Carbon 3D Printed Stroke (mm)-55 5 inch 24h

5 inch 24h

smaller diameter springs might fatigue before the carbide tip wore down

1 - 152610A3 steel bearing

Axle Type Bolt-on Hub Model ZR1 Track Rim External Width 27

The Race Pro BOA® Classic is the ultimate classic boot for training and racing featuring a new Integrated Power Chassis

Selle Italia SLR Boost 3D Kit Superflow S3 Carbon 3D Printed Stroke (mm)-55 5 inch 24hConstructed with a proprietary 3D printed pattern for support on the toughest road rides The cover was developed using Carbon DLS technology Boost short nose improves thigh clearance, saddle fit and reduces weight Differentiated cushioning zones for progressive absorption over the entire surface SuperFlow technology for reduced pressure in the perineal area Made in Italy TECH SPECS Primary Color Black Gender Unisex Rail Material Carbon Cut Out Yes