BB-R9100 (DURA-ACE)
BB-R9100 (DURA-ACE)
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Item number: SKU:oty-4524667858614(-21271124)
■ Domestic Shipping Fee Estimate
Overview
The SHIMANO BB-R9100 is a DURA-ACE grade Hollowtech II compatible threaded bottom bracket. Small-diameter ball bearings and an improved sealing structure achieve a high level of lightweight, durability, and smooth rotation performance.- Product Description
- Returns, Delivery & Shipping
SHIMANO BB-R9100 (DURA-ACE) | Bottom Bracket for Hollowtech II with Refined Rotation Performance
Although it's an unseen part, it greatly affects the quality of your ride.
The SHIMANO DURA-ACE grade "BB-R9100" is a threaded type bottom bracket compatible with Hollowtech II cranks.
It achieves weight reduction by adopting smaller ball bearings, while also delivering DURA-ACE-level high-precision rotation performance. Furthermore, an improved seal structure reduces resistance while maintaining excellent durability.
In addition to a smooth rotation feel when pedaling, it offers high reliability for long rides and race scenarios. This high-grade bottom bracket is recommended for riders who want to maximize their crank's performance.
Features
- DURA-ACE grade Hollowtech II compatible bottom bracket
- Compatible with threaded frame types
- Lightweight design achieved by using small-diameter ball bearings
- Smooth rotation performance due to high-precision bearings
- Improved seal structure ensures excellent durability
- Light pedaling feel with reduced rotational resistance
- Suitable for a wide range of uses, from road racing to long rides
- Compatible with Hollowtech II cranks such as DURA-ACE, ULTEGRA, and 105
SPECIFICATIONS
- Series: DURA-ACE R9100
- Model: BB-R9100
- Compatible Crank: SHIMANO HOLLOWTECH II
- Type: Threaded Bottom Bracket
- Compatible Shell Width: 68mm / 70mm
- Bearings: Small-diameter ball bearings
- Average Weight: Approx. 65g
While the bottom bracket is a subtle component, it significantly impacts rotation performance and feel.
The BB-R9100 offers incredibly smooth rotation, a difference that becomes particularly noticeable during prolonged pedaling. It's a perfect match for DURA-ACE cranks, and also highly compatible with ULTEGRA and 105 Hollowtech II cranks.
Given its high durability and the fact that it's not a part you replace frequently, it's recommended for those who want to choose a high-quality option.
This bottom bracket is ideal for riders who want to improve the quality of their ride feel, not just reduce weight.
◆Returns and Exchanges
Please inspect your order as soon as possible after it arrives.
- Parts, apparel, accessories, and other cycling goods may be returned or exchanged. Return and reshipping costs are covered either by the customer or by our store, depending on the circumstances.
- Complete bicycles cannot be returned or exchanged for reasons of customer preference. We will only accept returns in the event of a product defect or damage during delivery.
▶ View our Return and Exchange Policy
◆“In-store Stock” and “Special Order” Items
- “In-store Stock” items are currently available at an Eirin store or in our warehouse. Each item will be inspected before being dispatched.
- “Special Order” items are ordered from the manufacturer or an authorized Japanese distributor. After the item arrives, we conduct a final inspection before dispatch.
※If “In-store Stock” is unavailable, please select “Special Order.” We will contact you by email once the item has arrived from the supplier.
※If the manufacturer or distributor is also out of stock, the item cannot currently be purchased. Select the “Notify me when available” button to receive a restock notification.
◆From Order to Delivery
※① If an item is out of stock, we will contact you by email and ask whether you would like to change or cancel the item.
※② Items cannot be added, changed, or cancelled after the order has been confirmed.
※③ Once your order has been dispatched, we will email you with the shipping confirmation and tracking number.
◆Shipping Carrier
Orders are generally shipped by Seino Transportation.
Another shipping carrier may be used depending on the contents of your order or the delivery area.
◆Pickup at Eirin Stores in Kyoto City
- Shipping is free when you collect your order from one of our street-front stores in Kyoto City.
- Complete bicycles generally require approximately 1-2 weeks for assembly and inspection before pickup.
- Some parts and apparel are stored in our warehouse and may require approximately 1-5 days before they are ready for pickup.
※Due to system limitations, the following payment methods are available for store pickup orders:
Shop Pay, Credit Card, Bank Transfer, and JACCS Financing
Customers wishing to use another payment method should select standard delivery instead of store pickup.
◆Pickup at a Seino Transportation Branch
※Shipping for complete bicycles is free when the bicycle is collected from an eligible Seino Transportation branch.
- This service is available only for complete bicycles. Parts, cycling goods, apparel, and accessories are not eligible.
- For purchases under ¥55,000 including tax and excluding payment fees, the shipping charge is reduced to half of the standard rate.
- Different charges apply to Hokkaido, Okinawa, and remote islands. These charges are still lower than residential delivery rates.
▶ List of Seino Transportation Branches
◆Shipping Fees
The total shipping charge for your order will be calculated automatically and displayed at checkout after you enter your delivery address.
