• Alfine chain tensioner for use with vertical dropouts• Dual pulley design can be used with double front chainring• Maximum front difference 16 tooth.
Shimano Alfine Chain Tensioner CT-S500 Dual Pulley Silver for IHG Single Speed
Shimano CT-S510 Alfine chain tensioner - silver
SHIMANO CT-S500L Alfine Vertical Chain Tensioner (Black)
FNFTOEZGY Compatible for Alfine CT-S500 Bike Chain Tensioner, Vertical Drop-Out Design, Silver/Black for Bicycles/178(Black)
LJHTRZAQ Compatible for Alfine CT-S500 Bike Chain Tensioner, Vertical Drop-out Design, Silver/Black for Bicycles(Black)
