absoluteBLACK Oval 104 BCD Chainrings for Hyperglide+ greatly improve traction and climbing abilities. They are designed for any cranks that use a 104 BCD mounting interface. These chainrings will only work with Shimano CN-M9100, 8100 & 7100 Hyperglide+ chains due to different thickness and shape of the teeth. They are crafted from CNC machined 7075 aluminum, and feature an anodized finish for exceptional durability. Ovality has been optimized for each chainring size, ranging from 10.2 - 14.4%, with timing of 110.5 - 116.3° after TDC (top dead center).
This chainring will only work with Shimano CN-M9100, 8100 & 7100 Hyperglide+ chains due to different thickness of the teeth
Oval shape reduces stress on knees, helps to keep your legs fresh, and does not feel any different while riding
Provides excellent weight to strength ratio
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