Head Diameter: 41mm

Protection Style: These are a soft pad so there is no hard outer protective shell

For extra grip on mixed and soft terrain while maintaining the efficiency level needed for All Mountain riding

making them ideal for cyclists who demand strength and efficiency

hex 3 / 4 / 5 / 6 mm

Shimano Deore SM-CRM66 Chainring - DIrect Mount - Shimano - 3mm Boost - Round - 30T - 12 Speed - Alloy - Black Ignore Wholesale Tier 2 Brand Rule Head Diameter: 41mmFeatures Direct mount chainring designed for Shimano FC M6200 MT620 cranksets Dynamic Chain Engagement+ technology: optimised narrow wide chainring tooth profile for better chain retention and smoother shifting Specifications Material: steel Compatible chain: HG 12 speed Teeth: 30T or 32T Gear speeds: 1 x 12