Shimano Chainrings & Accessories|Electronic Shifting|105 FC-R7100 Chainring (Black) (2 x 12 Speed) (110mm BCD) (Inner) (34T)

Shimano 105 FC-R7100 Chainrings Description:

Genuine Shimano replacement chainrings for 105 12-Speed. The unique resin ribs on the back of the chainrings increase structural design, reduce weight, and allow for crisp shifting performance. These will work with any Hollowtech II crankset but will match in appearance with Shimano FC-R7100 and FC-7100-P cranksets.

Note: Chainrings should only be paired in appropriate teeth configurations. See list below.

Features:

• Compatible with HG 12-speed chains
• Aluminum with an anodized finish for extra durability and light weight
• Superior power transfer as well as quicker and more precise front shifting

Specifications:

• Chainring Shape: Round
• Drive Type: 2x
• Speed Compatibility: 12 Speed
• Chainring BCD: 110mm Shimano Asymmetric
• Mount: 4-Bolt
• Material: Aluminum
• Color: Black
• Weight: 35g (34T), 36g (36T), 159g (50T), 177g (52T)

Recommended Chainring Configurations:

• 50-34T
• 52-36T

This product is expected to become available for purchase on Thursday, October 22, 2026