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Round AERO Thread Mount 6,5mm Road/GravelSRAM 8-boltsUltegraAERO cover

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Green anodized ALUGEAR AERO road chainring close-up, round, machined concentric wave finish, 110 BCD 4-bolt Shimano 12-speed
Gold anodized ALUGEAR AERO road chainring close-up, round, machined concentric wave finish, 110 BCD 4-bolt Shimano 12-speed
Purple anodized ALUGEAR AERO road chainring close-up, round, machined concentric wave finish, 110 BCD 4-bolt Shimano 12-speed
Steel blue ALUGEAR AERO road chainring close-up, round, machined concentric wave finish, 110 BCD 4-bolt Shimano 12-speed
Mocha brown ALUGEAR AERO road chainring close-up, round, machined concentric wave finish, 110 BCD 4-bolt Shimano 12-speed
alugear

Upgrade AERO Kit for ULTEGRA R8100-P with Power Meter 2x12sp. Chainrings + Cover

Chainrings set AERO 2-speed ROUND + COVER for Shimano 110 BCD 4 holes Asymmetrical Ultegra R8100-P with Power Meter (12 speed)

Sale price€219,90
Chainrings color: Black
Chainrings size: 48T-34T
Cover color: Black
In stock
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Processing time: up to 10 business days. Shipping time: 2 to 7 business days. Provided by FedEx

Return policy

You can return an unused product within 30 days
Purple ALUGEAR AERO upgrade kit for Shimano Ultegra R8100-P power meter: outer chainring, black inner, AERO cover and bolts
Upgrade AERO Kit for ULTEGRA R8100-P with Power Meter 2x12sp. Chainrings + CoverBlack / 48T-34T / Black Sale price€219,90
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Technical specifications

Intended use
 2×12 speed for Road and Time Trial bike
Optimum chainring combinations
 50-34; 52-36; 54-40; 56-40
Mounting position
 outside 50T; 52T; 54T; 56T inside 34T; 36T; 40T
Bolt circle diameter
 110 mm Shimano Asymmetric
Weight
 50 teeth - 112g; 52 teeth - 127g; 54 teeth - 143g; 56 teeth - 171g; 34 teeth - 26g; 36 teeth - 29g; 40 teeth - 39g; Cover - 17g; Bolts (M8 11,5mm) - 8g
Material
 Aluminum 7075-T6
Made
 CNC milling
Surface coating
 Anodizing

Compatibility

Shifting
 Shifting: 2x12
Chains
 Chainrings you may use the following chains: 12sp Shimano HG+
Cranks
 For 2×12 crank Shimano Ultegra R8100-P with 110mm Asymmetrical bolt circle diameter (4-arms) with built-in original Power Meter

Recommendations

  • It is also a good idea to use a new chain with your new ALUGEAR chainrings
  • It is recommended to use a well-lubricated chain on every ride
  • We recommend using the optimal Alugear 2-speed chainrings combination
  • The correct operation of the double set is guaranteed only when using Alugear outer and inner chainrings together
  • 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 2X chainring installation with the AERO cover Download

7075-T6

Aerospace grade aluminium

Ramped & pinned

Reliable 2X shifting under any conditions

8+ colours

Match your bike with multiple anodized options

Information

Engineering excellence

ALUGEAR chainrings are some of the lightest chainrings on the market. Using our experience and vigorous testing, we tweaked the arm design and strategically machined the chainrings so that only minimal sacrifices were made in impact strength in exchange for large gains in weight reduction. With special tooth profiles, ramp and climbing aids allow the chainrings particularly soft and fast shifting. So with them, shifting under load is easy. The chainrings have been specially tuned by climbing aids and can only achieve their superior shifting performance in the combinations provided by ALUGEAR. The chainrings are CNC machined from 7075 T6 aluminum and hard coat industrially anodized to provide protection from mechanical impacts, a good look, and an excellent tactile feel to each of the chainrings that lasts a long time.

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