KACTUS Oversized Pulley Wheel OSPW 12-17T Shimano 105 R7000 Black

KACTUS Oversized Pulley Wheel System OSPW 12-17T Shimano 105 R7000 Black PRODUCT DESCRIPTION Suitable for SHIMANO R7000 transmission 12/17T super large size guide wheel set system Saves 45% chain friction resistance compared to 11T guide wheels Ceramic bearing version saves more than 2.2 watts of average power compared to the original transmission system Full carbon fiber cage Full 7075 aluminum alloy CNC cutting lightweight guide wheel and TC4 titanium alloy spindle Ceramic bearing version Ceramic Bead Bearing Version NSK Steel Bearing Version Weight: 17TH: 53g The ceramic bearing version is 1.2 grams lighter than the steel bearing version Silakan langsung click BELI, barang READY STOCK!