US$ 388.75
the SD300 E-Tube components form the interface between compatible STePS parts and expand the functional range of future Di2 systems
There are choices available to best meet your needs
The SRAM Power meter kit
These innovative socks are designed to optimize airflow and reduce drag
Together with the Hollowglide chainrings
pro stealth saddle carbon 152mm Collection_ Casual Wear the SD300 E-Tube components formProduct Specifications Saddle Material Carbon Rail Diameter 7x9mm Saddle Size 152 mm Interior Superlight EVA Foam Rails Stainless Steel
US$ 388.75
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US$ 249.50