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ALUGEAR

ALUGEAR AERO 110 BCD 12S Inner Chainring for Shimano

Designed for 2x12-speed road drivetrains, the ALUGEAR AERO 110 BCD 12S Inner Chainring for Shimano offers precise shifting and excellent pedalling efficiency. Its round... Read more

Recommended price* : 38,00 €

38,00 €
38,00 €
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Description

Designed for 2x12-speed road drivetrains, the ALUGEAR AERO 110 BCD 12S Inner Chainring for Shimano offers precise shifting and excellent pedalling efficiency. Its round design is optimised to work with ALUGEAR outer chainrings and the latest generation Shimano groupsets.

Made from 7075-T6 aluminium and machined with great precision by CNC, this chainring combines lightness and stiffness. Its anodised surface treatment improves wear resistance while ensuring a durable finish suited to intensive use on road and time trial.

Compatible with Shimano 105 R7100, Ultegra R8100 and Dura-Ace R9200 cranks, it is available in 34, 36 and 40 teeth for 50/34, 52/36, 54/40 and 56/40 combinations. Its Ramped & Pinned profile ensures smooth and reliable gear changes in all conditions.

Ref: 16068016374140

Technical information

Transmission: Shimano 2x12 speed
Position: Inner chainring
BCD: 110 mm Shimano Asymmetric (4 arms)
Available teeth: 34T, 36T, 40T
Material: 7075-T6 Aluminium
Manufacturing: CNC machining
Finish: Anodised
Technology: Ramped & Pinned for optimised shifting
Weight: 26 g (34T), 29 g (36T), 40 g (40T)
Crankset compatibility: Shimano 105 FC-R7100, Ultegra FC-R8100 / R8100-P, Dura-Ace FC-R9200 / R9200-P
Compatible chain: Shimano HG+ 12 speed
Recommended combinations: 50/34, 52/36, 54/40, 56/40
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Price information

*Recommended retail price from supplier in July 2026