absoluteBLACK Premium Oval Road 110BCD 39t FSA 2x 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 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), (53T - go to 9100 model)
Colour: Black, Racing Red, Grey (inner ring 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 Aluminium. 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 centre) - Ideal for road climbing. Patent Pending

ADVANTAGES OF ABSOLUTEBLACK 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%