For ZTTO Bike Rear Derailleur Cage Pulley 8800RD / 8700RD 16T MTB Road Bike
ZTTO Bike Rear Derailleur Cage Pulley Carbon Fiber16T MTB Road Bike Lower Pulley There are two specifications: 8800RD / 8700RD 1: 8800RD is suitable for: SHIMANO 6800/6870/9000/9070 Ultegra / DURA ACE specifications Specifications: 16T + 16T * 79L positive and negative tooth aluminum alloy rear dial guide wheel Material: Aluminum alloy guide wheel body + ceramic bearing + carbon fiber frame Applicable transmission system: SHIMANO 6800/6870/9000/9070 Ultegra / DURA ACE Weight: about 68 grams Color: black red 2: 8700RD is suitable for: SHIMANO 5800/5700/4600/4700/105 specifications Specifications: 16T + 16T * 79L positive and negative tooth aluminum alloy rear dial guide wheel Material: Aluminum alloy guide wheel body + ceramic bearing + carbon fiber frame Applicable variable speed system: SHIMANO 5800/5700/4600/4700/105 Weight: 79.3g Color: black red