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Shimano Ultegra BR-R8100 Rim Brake Caliper Front Caliper
Shimano Ultegra BR-R8100 Rim Brake Caliper Rear Caliper
Front Caliper
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Shimano Ultegra BR-R8100 Rim Brake Caliper Front Caliper
Shimano Ultegra BR-R8100 Rim Brake Caliper Rear Caliper

Ultegra BR-R8100 Rim Brake Caliper

Mfg PartNum:
  (1 customer reviews)
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Backorder: This item is currently not in stock but is available to purchase today as a backorder. The expected availability date shown above is our best estimate as to when it will be shipped to you, but this date is subject to change based on our receipt of this item from its vendor. Shipping in the continental US is free for all backorder items (for international orders, our customer service team will contact you when the item is available to ship). Your credit card will not be charged until your item ships (Paypal requires payment up front, but you can cancel for full refund). Anytime prior to shipment, your backorder can be cancelled by contacting our customer service team.

Lightweight & Powerful

The Shimano Ultegra BR-R8100 Brake Calipers offer a clear contact feeling while balancing rigidity, weight, and stopping power. Even though the clearance was increased to accommodate 28mm tires, these calipers are still sleek and aerodynamic.


  • Sleek design which allows for a narrower gap between arms
  • Wider tire clearance and compatible with wider 28c tire size
  • Average weight: 182g (Front) 180g (Rear)

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.


Brake Type: Road Caliper 


Brake Pad Type: Caliper - Shimano/SRAM 


Hub Compatibility: Rim Brake 


Brake Parts: Caliper 


Average weight: 182g (Front) 180g (Rear) 


Maximum tire size: 28c 

Set - Front & Rear

Mfg PartNum: IBRR8100A82 

Front Only

Mfg PartNum: IBRR8100AF82X 

Rear Only

Mfg PartNum: IBRR8100AR82A 

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Great upgrade!
by Juan flores

My road bike need it a good upgrade; I went with this caliper brakes shimano ultegra, unbelievable difference what I got before

Reviewed 7/26/2022
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