The crank sleeves are made of very soft silica gel which absorbs shocks and protects your precious crank from scratches.
Features: Protect your precious crank from scratches. Made of high-quality silica gel, easy to install and resistant to shock. Suitable for most mountain bike and road bicycle cranks. Specifications: Material: Silica gel Color: Black / Blue / Red (optional) Dimension: 48 * 34 * 18mm; 43 * 34 * 18mm Weight: 8g/pc Package List: 4 * Crank Sleeve
