Hope Spiderless Retainer Chainrings allow for the use of smaller chainrings by mounting directly to the Hope Crank interface. Made from a lightweight Aluminium, these are designed to hold on to the chain while saving weight over a normal spider and ring combination.

Specs:

• Material: CNC machined 7075-T6 Aluminium
• Finish: Hard anodised
• Speed: 9, 10 and 11-Speed
• Tooth Profile: Narrow wide
• Intended Chainline: 51-53mm (Boost 148)
• Narrow/wide tooth profile designed to retain the chain without the need of a chain device
• Direct mount retainer ring designed specifically for Hope cranksets
• Saves weight without the need for a separate spider
• Able to run a broader range of smaller chainring sizes
• Quieter drivetrain and less drag
• Ultra-durable and increases longevity