ALUGEAR Cover R9100 – Shimano 11sp Dura-Ace Cranks

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Technical specifications

Intended use	ALUGEAR 1X and 2X chainrings for Shimano 11sp. R9100 cranks
Bolt circle diameter	110 mm Shimano Asymmetric
Weight	Cover - 17g; Bolts (M8 11,5mm) - 8g
Material	Aluminum 7075-T6
Made	CNC milling
Surface coating	Anodizing

Compatibility

Cranks

For Alugear 1speed and 2speed chainrings with 110 mm Asymmetrical 4-arms Shimano cranks Dura-Ace R9100 series;

Note: the Cover is not compatible with cranks Shimano R9100 series with built-in original Power Meter

Powermeter

not compatible with the Shimano 11sp. crankset integrated power meter

Recommendations

For the best appearance of ALUGEAR chainrings with your Dura-Ace R9100 cranks
The Aero Cover for ALUGEAR 1 and 2 speed chainrings are designed to fit of Shimano Dura-Ace R9100 cranks
Please use only original ALUGEAR Bolts during installation. Using other bolts may cause damage to the Сover
Tool holder: 5 mm hexagon socket maximum permissible torque: 10 Nm

Installation Instructions

Alugear 1X chainring installation with the AERO cover	Download
Alugear 2X chainring installation with the AERO cover	Download

7075-T6

Aerospace grade aluminium

Form meets function

Seamless, factory-built appearance that looks as fast as it rides

8+ colours

Match your bike with multiple anodized options

Information

Engineering excellence

This Cover is designed to give your Alugear chainrings the best appearance with your Dura-Ace R9100 cranks. This Cover is of the original AERO design and intended specifically for the Alugear chainrings 1speed and 2speed for Shimano R9100 cranks. The original Aero design by ALUGEAR hides the joint between chainring and crank arm. The cover can be easily removed and placed back again when it is needed.

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