Bosch Gen4 104 BCD Spider - 4-Bolt, 104 BCD, Aluminum, Black light part A lightweight and compact quick-fill

A lightweight and compact quick-fill CO2 inflation device with controlled distribution

Alongside this flagship damper

but you'll also get our Slim Fit that makes this jersey feel great against your skin

The Rapidaptor ensures rapid bit change without any extra tools

BOTTOM-OUTS: 39% fewer bottom-outs than a standard air spring

Bosch Gen4 104 BCD Spider - 4-Bolt, 104 BCD, Aluminum, Black light part A lightweight and compact quick-fillThe RaceFace Bosch Gen 4 spider allows the use of RaceFace 104 BCD rings on RaceFace ebike cranksets (52mm chainline). This spider is only compatible with Bosch Gen 4 Performance Line CX motor Any RaceFace 104 BCD chainring will mount securely with the included hardware, including the RaceFace SHI 12 speed rings Aluminum