absoluteBLACK Oval Premium Shimano 110/4 BCD Chainring - BLACK

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 the finest oval chainrings on the market in terms of shifting, smoothness of pedalling and manufacturing quality. Not compatible with FSA cranks.

Size: (Mass +/-1g): 34T (31g), 36T (37g), 38T (41g), 50T (120g), 52T (137g)
Colour: Black, Grey
Ovality: Optimised 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 centre)
Ideal for road climbing. Patent Pending

Advantages of Absolute Black Road Oval chainrings
One of a kind special oval shape that helps you climb easier and faster (Patent Pending)
Over 15% stiffer than Rotor Qrings due to thicker, 5mm construction
Bespoke Absolute Black 6 point ramp and recess shifting design shifts better than any other brand and model of oval chainring
Finest design that provides excellent strength to weight ratio
You will not "feel" the oval shape while pedalling
Your pedalling action will feel smoother
Helps reduce stress on knees and helping your legs remain fresher for longer
You will be able to maintain better cadence while climbing
Reduces possibility of leg cramps
You will reduce chainring/cog shifts by at least 15%

Application
Shimano Dura-Ace 9000, Ultegra 6800, Shimano 105 5800, Tiagra 4700
Compatible with Di2 & Pioneer, SRM and other power metres
Bolts for Outer chainring please order Long bolts
Changing Inner chainring to oval only? use original bolts