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ABSOLUTE BLACK ROAD OVAL DBL 110/4BCD DA9000 ULT6800 5800 36T INNER CHAINRING – WINTER GREY

Product code764326
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Our Silver Series line of Shimano 110/4 BCD oval chainrings are designed for the new type of Shimano cranks like Dura-Ace 9000, Ultegra 6800, 105- 5800 and others. This is a simplified version of our Premium line. Same aluminum, teeth, and shifting ramps, but less material machined out on the outer side for easy maintenance and cleaning.

 

 

 

Size (Mass +/-1g):

 

 

36T (44g)

 

 

Color

 

 

GREY

 

 

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

 

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%, 50/52 – 10.3% ; Timing of 108 -109.5° after TDC (top dead center) – Ideal for road climbing. Patent Pending

 

 

 

 

Silver Series line of chainrings is a simplified version of our state-of-the-art Premium line. They use the same aluminum, teeth and shifting ramp design. However, they are less machined out from the front for easy maintenance and cleaning.

 

Absolute Black always recommends using a new chain when fitting new chainrings.

 

ADVANTAGES OF ABSOLUTE BLACK SILVER SERIES 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 AbsoluteBlack 6 point ramp and recess shifting design shifts better than any other brand and model of the oval chainring
*30% heavier than our Premium chainrings, but very easy to clean.
*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 the possibility of leg cramps
*You will reduce chainring/cog shifts by at least 15%

 

HOW TO MOUNT SILVER SERIES LINE 110/4 OVAL CHAINRING:

 

First, you need to remove crank from your bike. Once removed, unscrew the 4 bolts that hold two chainrings together with a T-30 Torx key. Remove both original rings. Locate the new oval inner chainring with the triangular timing indicator positioned behind crank arm. The bolt holes on the small chainring are recessed – so the nut heads will sit flush with the surface of the chainring – these recesses should face you when mounting the bolts. AbsoluteBlack outer chainring has a dimple mark – position the outer chainring to line up that dimple with the crank arm.

 

If you are only switching the inner chainring to oval – use the original bolts that came with your crank. If you are switching to a pair of oval chainrings, you will need a set of regular ‘double’ chainring bolts (Long bolts in our offering). Tighten all four bolts with force of about 5-6Nm. Mount your crank back to the bike. You may also need to adjust the front derailleur upwards by 2-4mm.

Bolt Circle Diameter - BCD

Chainring Shape

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