SKU: 25257092873

SHIMANO ULTEGRA CHAINRING FOR FC-R8100 50/34T

$16.64 $18.49
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 10 - Sep 15

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For Your Every Summer RSVP, with Code: SUMMER15

Description

SHIMANO ULTEGRA CHAINRING FOR FC-R8100 50/34TGenuine Shimano Ultegra replacement chainring set designed for FC R8100 and FC R8100 P 12 speed cranksets. Features 50 34 tooth configuration ideal for mixed terrain and climbing. Direct replacement ensures perfect compatibility and smooth shifting performance. Durable steel construction built to Shimano's exacting standards. Essential upgrade or spare for serious cyclists maintaining their Ultegra drivetrain. Specification Use: Road Group: Ultegra FC

Genuine Shimano Ultegra replacement chainring set designed for FC-R8100 and FC-R8100-P 12-speed cranksets.

Features 50/34 tooth configuration ideal for mixed terrain and climbing. Direct replacement ensures perfect compatibility and smooth shifting performance. Durable steel construction built to Shimano's exacting standards. Essential upgrade or spare for serious cyclists maintaining their Ultegra drivetrain.

Specification

  • Use: Road
  • Group: Ultegra FC-R8100
  • Gear: 2x12-speed
  • Suitable for: FC-R8100 / FC-R8100-P
  • Bolt Circle: 110mm
  • Gear arms: 4-arm
  • Gradation: Type NK (for 50-34T)

Size

  • 34T
  • 50T

Material

  • 34T: Aluminium
  • 50T: Aluminium/CFRP, anodized

Colour

  • Series colour

Contents

  • 1 x Shimano Ultegra 12-Speed Chainring FC-R8100 Type NK
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 25257092873

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4.4 ★★★★★
Based on 22 reviews
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Product Reviews
C
Verified Purchase
Cesar Alvarez Alvarez
Waukegan, US
★★★★★ 5
good product
Style: Qi2 Charging Mount, Style: Qi2 Charging Mount
It exceeded my expectations, a really good product indeed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 17, 2026
E
Verified Purchase
El artículo está muy bueno
Birmingham, US
★★★★★ 5
Buenísimo
El producto está muy bueno lo recomiendo
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
A
Verified Purchase
Andrew
Chelsea, US
★★★★★ 3
It is ok
It is decent. Looks like it would work well. It is a little bulky. I bought this one and another one from a different seller. I returned this one due to the thickness of the arm. It was a little bulky. One thing to be mindful of there is no adjustment for the radius of the arm. Depending on how you position it your phone can be quite far away from the screen, it may not bother you, but for me I wanted them as close as possible
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
R
Ryan Conlon
New York, US
★★★★★ 5
Strong Magnet, Great Price!
Mounted in less than 10 seconds. The magnet is super strong and holds the phone through all the bumps the road throws at it. The two thumb screws make for fast angle adjustment. The mount location puts the phone in the perfect spot for viewing without obstructing the view of the road. This phone holder is built well beyond its price point! I will be buying a second one for the wife's Tesla.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 11, 2026
K
Verified Purchase
Kev Will
Natrona Heights, US
★★★★★ 5
Works better than expected. Very good
Color: Black, Color: Black
Very nice fit and finish. Feels very high quality. Phone charges very quickly and doesn’t heat up as much. It charges through my heavy duty case that i thought i would have to replace as it doesn’t charge on other charges that ive tested. Very impressed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 3, 2026

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