Shimano go to great lengths to test their products extensively before adding them to the XTR range.

The Shimano XTR SM-CRM91 Chainring is designed to be run on a 1x11 platform and is compatible only with Sil-Tec chains and the race (M9000) and trail (M9020) XTR cranksets. Keeping that in mind, its' new XTR tooth profile on the SM-CRM91 reduces chain noise and drag to a minimum and also aims to make chain guides obsolete thanks to Shimano’s proprietary chain retention technology. The 'up-side' of all this means that with reduced likelihood of dropping a chain you’ll spend less time fixing first-world chain problems and more time dominating the trail.

Features

Reduces chain noise and drag to a minimum

Designed to be run on a 1x11 platform

Compatible with FC-M9000 / FC-M9020-1 Crankarms only

Compatible with Shimano HG-X11 speed Chain

Compatible with Sil-Tec chains only

Dynamic Chain Engagement (DCE chain retention technology) helps prevent chain jump out

Tall, broad stainless steel tooth profile keeps your chain glued to the ring

30t and 32t rings are solid

Added benefit of carbon fibre on the rear face

Specifications

Material: Carbon-reinforced Titanium Alloy

Teeth: 30 Single (w/Gear Spacer)

Type: single (1x11 speed)

Holes: 4

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