US$ 38.00
Quick-Release Indexing Boom Clamp
All of them
5mm outboard chain line design to allow wider tire clearance for mixed-terrain riding
Knurled low rise tread designed for less rolling resistance
Wide spring tension adjustment range
SHIMANO FC-R8000 Chainring 39T-MW for 53-39T Compatio_Enriched Quick-Release Indexing Boom ClampFront chainring type: Double Chainring 39T MW (for 53 39T)
US$ 38.00
US$ 10.99
US$ 35.00