Shimano XTR FC-M9020-B1 96mm BCD 4 Arm SM-CRM91 Single Chainring - 30T

- Dynamic Chain Engagement (DCE) is used to hold the chain and help prevent chain jump out. This is achieved by using a broader and taller tooth profile in conjunction with a special hooked leading edge and alternate profiled tooth shaping. This provides superior chain retention, lower driving sound, increased durability and drag to a minimum
- Hollow gear construction for optimized rigidity, lightweight and durability
- Durable teeth using a Stainless steel construction supported by a carbon and alloy carrier body on 36T/34T, alloy carrier body on 32T/30T
- Dyna-Sys11 HG-X11 11-speed chain compatible
- Available in 30T/32T/34T/36T

The following are an "A" match which indicates that the parts are the same in materials, appearance, finish & size etc.

MTB
- Shimano XTR FC-M9000-1

Genuine Shimano replacement part.

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