Shimano Alfine CT-S500 Vertical Chain Tensioner - Silver

Shimano Alfine CT S500 Chain Tensioner. Alfine chain tensioner CT-S500 with double pully for CS-S500 sprocket.

• Material: Aluminum
• Speed: 1-speed
• Maximum chainring difference: 16 Z
• Largest sprocket: 20 Z
• Smallest sprocket: 18 Z
• Suitable dropout width: 5 - 9 mm
• Compatible chains: 3/32"
• Compatible Sprocket: CS-S500