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Shimano GRX RD-RX815 Di2 Rear Derailleur UPC: 192790443188
Requires 3 AAA batteries that are not included
Designed to mount directly to adjuster-free cable stops on Shimano rear derailleurs
0 Material Aluminum Defined Color Black Rise 10
OneUp Components Rear Hub, 148 x 12, 6 Bolt, 28H, Black jersey Shimano GRX RD-RX815 Di2 RearOneUp Components Hubs Freehub Body Sold Separately Click Freehubs Here These are the hubs we want on our bikes. Lightweight, durable, with high quality bearings and seals to give you the best combination of performance, durability and price. Available in a range of 7 colors. This is the new benchmark for no nonsense hubs Light enough for XC racing but strong enough for eunduro abuse and E Bikes. The 7075 aluminum hub shell with integrated drive ring