AbsoluteBlack Premium Oval Sub-Compact 110/5 BCD Chainring For Shimano Cranks 10-11S Black

Name: AbsoluteBlack Premium Oval Sub-Compact 110/5 BCD Chainring For Shimano Cranks 10-11S Black
Brand: absoluteBLACK
SKU: 2252297

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Description

Introducing the AbsoluteBlack Premium Oval Sub-Compact 110/5 BCD chainrings with the Sub-Compact size to improve your climbing and cadence.

Increased cadence is essential to reduce perceived effort. With the 48/32T chainrings, you can ride anywhere and climb anything. Alpine climbs will never be so difficult again. These special super compact chainrings are designed for Shimano 110/5bcd cranks, making AbsoluteBLACK the only company on the market offering such sizes. The 32T chainrings allow you to climb on your own terms with improved cadence and efficiency. This is the most premium oval chainring on the market with scientifically proven performance gains.

Oval chainrings don't produce more force, they increase pedalling efficiency through better force transmission. This means that you won't necessarily go further by pedalling harder. But the less force you lose, the more energy you keep, allowing you to pedal harder when you need to and thus reducing your general fatigue. That's why you can ride faster, longer and further with oval chainrings.

Studies conducted by the University of Primorska, Slovenia, show significant differences between the use of AbsoluteBlack Oval chainrings and conventional round chainrings. It is proven that using an oval chainring can provide up to a 9% increase in pedal stroke efficiency, up to 7% less oxygen consumption, 15% less breathing and up to a 10% decrease in heart rate.

Details :

Weight : 32T (32g), 48T (115g)
Color : Black
Compatibility : Shimano Dura-Ace 7950, Ultegra 6750, Shimano 105- 5750, Tiagra 4650, FSA, Praxis Alba & Zayante and many older cranks.
Also fits Sram cranks that have 1 hidden chainring bolt like Force22, Rival22 but they need to have removable spider.
Compatible with Di2.
10/11-Speed compatible
Offset : 2.5 mm
Designed in the UK. Made in Poland (EU).
Not compatible with Power2max
Special screws are included with 32T (5xM5 TI)
Material : CNC machined 7075 Txxx aluminium. Long life construction. Type II anodising
Ovality : Optimised to each size separately. 32T - 8%; 48T - 10.9%; Timing 108 -110.5° after TDC (top dead centre) - Ideal for climbs. Patent Pending

IMPORTANT :

Sub Compact trays are not compatible with some power meters that have a circular spider (some Quarq models, Power2Max, etc...)
Sub Compact trays only work in predefined size combinations. When ordering, ONLY add 32t and 48t trays to your basket or to a set. Mounting screws are included in the purchase price of the tray.
The 32T chainring will only work with 48T and a special screw set 48/32.
No other combination or mix of rings will work. Due to the special construction of the assembly, cosmetic screw covers are not available for this design.
AbsoluteBlack always recommends using a new chain when mounting new trays.

ADVANTAGES OF ABSOLUTEBLACK SUB-COMPACT OVAL CHAINRINGS :

The 32T chainrings allow you to climb within your own physical means with improved cadence and efficiency.
Unique oval shape helps you climb easier and faster (patent pending).
No more long climbs where you want a bigger cassette.
48/11 is still big gears to ride on the flat. For your daily rides, you probably don't need more.
Your pedaling will be smoother.
The AB oval reduces the stress on your knees and helps your legs stay cooler for longer.
You will be able to maintain a better cadence when climbing.
Reduces the risk of leg cramps.

HOW TO MOUNT THE SUPER COMPACT 48/32T 110/5 OVAL CHAINRINGS :

First, you need to remove your crank from your bike. Once removed, unscrew the 5 bolts that hold two chainrings together with a T-30 torx key. Remove both original rings.
Start by placing big chainring on the crank. Please note that small triangular indicator on the inner circumference of the chainring Must sit behind the crank arm - same way as original chainring indicates its position. Next, locate triangular mark on inner circumference of the small chainring and make sure it will sit behind the crank as well. Small chainring has also an integrated spacers on one side. Those spacers need to enter into the crank mounting holes. 32T chainring is provided with 5x M5 bolts (Torx T-25). Lock both chainrings in place using provided bolts and torque to 4-5Nm
In case of Sram cranks with one hidden bolt the indicators of both chainrings have to be positioned exactly opposite to the crank arm to guarantee correct timing of the oval rings in respect to the crank arm