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absoluteBLACK Oval 110BCD 4B 52t 2x Chainring Black

3In Stock
Item Number
AB-ROV52-4BK
$209.99
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Product ID
240924
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 • Compatibility: Shimano Dura-Ace 9000, Ultegra 6800, Shimano 105 5800, Tiagra 4700. Compatible with Di2 Pioneer, SRM and other power meters • BOLTS: o For Outer chainring please order Long bolts OR Bolt Covers o 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%