Ultegra BBR60 68mm Shell 00Shoe-Covers00 Custom-built rear rack designed specifically

Custom-built rear rack designed specifically for Aventon Sinch and Sinch Step-Through ebike models

and adults

Full-length zipper with wind flap and flat drawcord pull

100% waterproof and breathable

Collapsed Length: 26

Ultegra BBR60 68mm Shell 00Shoe-Covers00 Custom-built rear rack designed specificallyShimano Ultegra Bottom Bracket Threaded HOLLOWTECH II 68mm shell width. With reliable SHIMANO bearings and seals. A high quality bottom bracket with a long service life. Model Number: SM BBR60 Shimano 105 5800 Series Average weight 77g Threaded Hollowtech II bottom bracket Threaded bottom bracket shell width: 68mm Small ball bearing