absoluteBLACK Premium Sub-Compact Oval 110 BCD Road Inner Chainring – 30t 110 Shimano Asymmetric BCD 4-Bolt Black. absoluteBLACK Premium Sub-Compact 110 BCD Oval Chainrings are designed to improve your climbing and cadence. They are compatible with all Shimano 110 BCD 4-bolt cranks. Chainrings are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability.
Sub-Compact chainrings only work in predefined size combinations: 46/30 or 48/32
Mounting bolts are included with the small ring
Oval shape reduces stress on knees helps to keep your legs fresh and does not feel any different while riding
Chainring design reduces the possibility of leg cramps and allows you to maintain a better cadence while climbing
Use Shimano Dura-Ace 11-speed chain or SRAM Eagle 12-speed chain for proper clearance of mounting tabs
