Description: Differential plate action - the inner and outer chain cage plates move with an independent action for a precise shifting response. Nickel-plated light alloy chain cage reduces weight and resists chain wear. Mega9 drivetrain compatible: designed for narrow Mega9 chains. Compact top swing design.
REVIEWS
Here's how members rate this product: (1 vote)
Overall
93%
Performance
100%
Reliability
100%
Value
80%
James Wyatt 3/1/2008 THE BEST FRONT MECHS I'VE USED