absoluteBLACK Shimano Hyperglide+ 104 BCD 4-Bolt Oval Chainring

absoluteBLACK Oval 104 BCD Chainrings for Hyperglide+ are designed for any cranks that use a 104 BCD mounting interface. 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 deg. after TDC (top dead center).

Features:

• 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

Specifications:

• Ring Position/Type: Chain Retaining Single Ring
• Drivetrain Speeds: 12
• Chainring BCD: 104
• Material: Aluminum
• Weight:
  • 32T: 50 g
  • 34T: 55 g

Note: These chainrings will only work with Shimano CN-M9100, 8100 & 7100 Hyperglide+ chains due to different thickness of the teeth.