Zipp Freehub Kit - Cognition NSW, 11-speed, SRAM Bike Accessories Brand_Effetto Mariposa Spyre brake calipers utilize two

Spyre brake calipers utilize two piston movement for evenly applied rotor contact

Playtri Dallas Store - Fit Studio

Hydraulic Disc Brakes: The inclusion of disc brakes ensures consistent and powerful braking performance

The small silicone dots provide additional grip in wet or dry conditions

The Reef Saddle is  based on the same racing-inspired technology used by its sister company

Zipp Freehub Kit - Cognition NSW, 11-speed, SRAM Bike Accessories Brand_Effetto Mariposa Spyre brake calipers utilize twoFreehub bodies for Zipp Cognition hubs. 1. 8 mm spacer is included for use with XD cassettes For Gen 2 Cognition hubs manufactured after the 21st week of 2018 (serial number would be 21P8 or higher, such as 51P8) Gen 2 hubs feature a one piece axle system End caps sold separately