The Shimano Deore SM-CRM66 is a direct-mount stainless steel chainring (30T or 32T) with Dynamic Chain Engagement+ tooth profile for 12-speed MTB drivetrains. It suits trail and enduro riders running the latest Shimano 1x systems.

• Narrow-Wide Design: Dynamic Chain Engagement+
• BCD: Direct Mount Shimano
• Chainring Comp.: Shimano 12sp
• Teeth: 30
• Material: Stainless Steel
• Position: Single