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Shimano Ultegra FC-R8100 12-Speed Chainrings
May 4, 2026Price range: $15.00 through $254.00
New chainrings for your Shimano R8100 or other 110 BCD 4-bolt crankset
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Shimano Ultegra FC-R8100 12-Speed Chainrings
The Shimano Ultegra FC-R8100 12-Speed Chainrings are compatible with Shimano R8100 cranksets and other, 110 BCD 4-bolt cranksets. The aluminum construction uses Hollowglide technology to maximize stiffness while maintaining a low weight. They are available in 46/36, 50/34 and 52/36 sizes and are intended for use with Shimano 12-speed groupsets.
Please note the 46T chainring uses a flat profile and therefore requires specific bolts that match the profile of the crank arm.
Compatibility
- Crankset: Compatible with Shimano R8100 cranksets and other, 110 BCD 4-bolt asymmetric cranksets
- Chain: Compatible with Shimano 12-speed groupsets
Specs
- Color: Black
- BCD: 110x4
- Speeds: 12-speed
- Material: Aluminum
- Weight: 128 grams (52/36)
Chainring Bolts
- This crankset requires the use of Shimano threaded chainring bolts such as the Shimano FC-M970 Bolts.
Q&A
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eric (verified owner) –
The Shimano chainring I bought worked out really good. Excellent customer service too.
Power Meter City –
Glad to hear the Shimano chainring worked well for you! Thanks for the kind words about our customer service — we’re here anytime you need us!