Shimano - CS-M7100-12 10-51T Bottom Brackets square lens shape infused with

square lens shape infused with design inspiration taken from the craftsmanship and finishes of surfboards and the lifestyle around surfing

lightweight and braking performance

Ceramic compounds provide ultra-low friction and silky smooth gear shifts

Up to 42 hours of battery life on a single charge in battery saver mode

Shimano GRX ST-RX810-L + BR-RX810-R

Shimano - CS-M7100-12 10-51T Bottom Brackets square lens shape infused withSLX 12 Speed HYPERGLIDE+ MTB Cassette Sprocket With its BEAM SPIDER construction, the SLX M7100 12 speed cassette shaves weight while increasing SHIMANO's MTB gearing range another gear. Using SHIMANO's new MICRO SPLINE freehub body and HYPERGLIDE+ tooth profile, these 10 45 and 10 51T cassettes deliver advanced shifting performance