Cervélo BB WIRE GUIDE GROMMET - RCA, R5, R3

This is a bottom bracket guide cover made for use with electronic and wireless shifting groups and is compatible with Rca, R-Series Rim/Disc (2014 - pres), S2/S3 Rim (2014 - 2018), S3 Disc (2016-2018) S5 (2015 - 2018) and C-Series.