Hope 28T Boost 12 Speed Spiderless Retainer - Black
Direct mount retainer ring designed specifically for the Hope chainset
Saves weight without need for a separate spider
Able to run a broader range of smaller chainring sizes
The narrow/wide chainring is designed to retain the chain without the need of a chain device
Quieter drivetrain and less drag
CNC machined 7075-T6 aluminium provides the perfect blend of lightweight and strength
Compatible with 9, 10, 11 and 12 speed set-ups
Hard anodised finish makes them ultra durable and increases longevity