Description
absoluteBLACK Premium Shimano 110/4 bcd compatible oval chainrings are designed for Shimano cranks Dura-Ace 9000, Ultegra 6800 & 105 5800. Super fast shifting and amazing smoothness of pedaling. It is the most Premium oval chainring on the market with scientifically proven performance gains. 10/11/12spd compatible.
| Size (Mass +/-1g): | 34T (31g), 36T (37g), 38T (41g), 50T (120g), 52T (137g), (53T – go to 9100 model) |
| Color | Black, Racing Red, Grey (inner ring in black only) Bolts are available in black only |
|
Compatibility |
Shimano Dura-Ace 9000, Ultegra 6800, Shimano 105 5800, Tiagra 4700. Compatible with Di2 & Pioneer, SRM and other power meters* |
| BOLTS | For Outer chainring please order Long bolts OR Bolt Covers
Changing Inner chainring to oval only? use original bolts |
| Material & Finish | cnc machined 7075 Txxx Aluminum. Long-lasting construction. Type II anodizing |
|
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 |
