Absolute Black Chainring OVAL 110BCD 4 holes, 2X, asymmetric Shimano 9100/8000

These Premium Shimano 110/4 bcd compatible oval chainrings are designed for Shimano cranks like Dura-Ace 9000, Ultegra 6800, 105- 5800 and others. These are finest oval chainrings on the market in terms of shifting, smoothness of pedaling and manufacturing quality.

Not compatible with FSA cranks.
Size (Mass +/-1g): 34T (31g), 36T (37g), 38T (41g), 50T (120g), 52T (137g) Color: Black, Grey

Ovality: Optimized to each size separately. 34T- 6.5% ; 36T- 11.4%, 38T- 11.4%, 50/52 - 10.3% ; Timing of 108 -109.5 after TDC (top dead center) - Ideal for road climbing. Patent Pending

BOLTS For Outer chainring please order Long bolts

Changing Inner chainring to oval only? use original bolts