Shimano GRX RD-RX717 Wireless Di2 12 Speed Rear Derailleur cassons 8-degree XS:50mm

8-degree XS:50mm

the wind jacket is constructed from a featherweight 55gsm Italian-milled micro-ripstop with superior abrasion and snag resistance

The right bottom bracket for SRAM DUB MTB-Wide cranks for mountain bike frames with BB89

Material: plastic

making Decoder pedals the perfect choice for mountain biking with an environmentally friendly edge

Shimano GRX RD-RX717 Wireless Di2 12 Speed Rear Derailleur cassons 8-degree XS:50mmThe Shimano GRX RD RX717 Wireless Di2 Rear Derailleur is designed to give gravel riders the durability and gear range to pursue any off road exploration that tickles their fancy. This derailleurs wedge shaped body is filled with a low profile Shadow ES stabiliser that produces excellent chain retention and reduced chain slap over rough terrain, and the lower profile construction produces excellent clearance over trail obstacles. Because it is