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.
*Cranks visible on the photos are not included to the purchased chainrings.
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 pedaling
- Your pedaling 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%
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)
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
absoluteBLACK warranties its products, when used under normal non-abusive conditions, to be free from defects in materials or workmanship for a period of 1 year from the original date of purchase. Any absoluteBLACK product that is found by absoluteBLACK to be defective in materials or workmanship will be repaired or replaced at the sole discretion of absoluteBLACK. (for HOLLOWcage please refer to the next question).
This warranty is expressly limited to the repair or replacement of a defective item, and said repair or replacement is the sole remedy of the warranty. This warranty extends from the date of purchase, is offered only to the original retail purchaser, and is not transferable. This warranty does not cover damage or failure resulting from accident, misuse, abuse, alteration, neglect, normal and reasonable wear & tear (chainrings are wear items), crash or impact, failure to perform routine maintenance as instructed, or use other than that for which the product was intended. It also does not cover fading or wearing of anodizing. In no event shall absoluteBLACK be liable for any loss inconvenience or damage, whether direct, incidental, consequential or otherwise resulting from breach of any express or implied warranty or condition of merchantability, fitness for a particular purpose, or otherwise with respect to this product except as set forth herein. Under no circumstance shall absoluteBLACK or its third party suppliers be liable for any direct, indirect, incidental, special, consequential or any other kind of damages. This written express warranty is in lieu of all other warranties, implied or expressed, and does not cover any representation or warranty made by dealers beyond the provisions of this warranty.
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This is a size chart.
Geometry of this bike.
Horizontal measurement taken from the middle of the bottom backet to the middle of the headtube.
Vertical measurement taken from the middle of the bottom bracket to the middle of the headtube.
Effective Top Tube
Horizontal measurement taken from the middle of the seatube to the middle of the headtube.
Actual Top Tube
True length of the top tube taken from the seatube along the toptup to the headtube.
Vertical measurement taken from the ground to the the middle of toptube.
Seat Tube Angle
Angle of the seatube.
Seat Tube Length
Lenght of the seat tube taken from the bottom bracket to the top of the seat tube (the measure is taken alongside the seat tube)
Angle of the headtube.
Vertical lenght of the headtube.
Horizontal measurement taken from rear axle to the bottom bracket.
Horizontal measurement between the two wheel axles.
Vertical measurement taken from the ground to the bottom bracket (Never taken at sag).
Vertical measurement between the height of the axles and the height of the bottom bracket.
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