SM-CRM91, CHAINWHEEL

Product Information

The Shimano XTR SM-CRM91 1x Chainring is engineered for dedicated 1x11-speed mountain bike drivetrains, offering robust performance for cross country, all-mountain, and enduro riding. This chainring stands out with its refined tooth profile, specifically designed to ensure exceptional chain retention and a smoother, quieter ride across challenging terrain. It integrates seamlessly into the XTR M9000 and M9020 cranksets, providing a reliable and efficient power transfer.

Featuring Shimano's Dynamic Chain Engagement+ technology, the SM-CRM91 chainring minimizes chain drops and reduces wear, making for a more secure and enjoyable pedaling experience. The construction varies by tooth count, utilizing reinforced materials to balance durability and weight.

Features

• Dynamic Chain Engagement+ (DCE+) technology for superior chain retention and reduced chain noise.
• Unique narrow-wide tooth profile for enhanced chain engagement.
• Designed for 1x11-speed drivetrain systems.
• Optimized for mountain biking applications including Cross Country, All Mountain, and Enduro.

Specs

• Compatible Cranksets: Shimano XTR FC-M9000-1, FC-M9020-1
• Compatible Chain: HG-X 11-speed
• Bolt Circle Diameter (BCD): 96mm (4-arm asymmetrical mount)
• Available Tooth Counts: 30T, 32T, 34T, 36T
• Material: Stainless steel and aluminum (30T, 32T); Stainless steel, aluminum, and carbon fiber reinforced polymer (CFRP) (34T, 36T)
• Chainline: 52mm