Prime SR 54 Tooth Star Ratchet Upgrade Kit

Featuring 54 points of engagement, this Prime Star Ratchet Upgrade Kit is designed to offer a more reactive pick up and a more responsive pedal bite for quicker acceleration over the 36T star ratchet that comes as standard in the Prime SR1, SR2, SR1D & SR2D hubs.

Features:

• Upgraded star ratchet
• Prime Hub Compatibility: Prime SR1, SR2, SR1D & SR2D hubs
• Engagement: 54 points of engagement
• More reactive pick up for quicker acceleration