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Subtotal: $224.98
DESCRIPTION
Ultegra R8100 - Leave Time Behind
When developing the Ultegra R8100 series, Shimano took a holistic and 100 % performance-oriented approach, because great speed means great responsibility. Faster than ever before, the 12-speed road groupset scores with unparalleled control and comfort anytime and anywhere - whether in an everyman race, on the hunt for a personal best time or on a companionable ride.
Shimano Ultegra BR-R8100 rim brake
The Shimano Ultegra BR-R8100 side-pull brake impresses with a clear contact feeling and a well-balanced ratio between braking power, stiffness and low weight. The brake caliper owes this to a sophisticated Dual Pivot construction as well as SLR-EV technology. Despite increased 28C tyre clearance, the rim brake features a decidedly slim design.
SLR-EV
The SLR-EV technology extends the Shimano Linear Response concept which aims for improved response and optimal dosing.
Symmetrical Dual Pivot side-pull brakes with SLR-EV system use two bearings and a roller to achieve greater efficiency in the joint area. However, SLR-EV also has a positive effect on the modulation of Direct Mount calipers, so that current models can boast a 36 % increase in braking force.
Material:
caliper: aluminium (anodised)quick release lever: resin (painted)
brake shoes: aluminium (painted)
Compatibility:
brake pads: R55C4, R55C4 Carbon, R55C4-A Carbon, R55CT4Weight (manufacturer's specs):
approx. 182 grams (front)approx. 180 grams (rear)
PLU: 65368
SIZE INFORMATION

SHIPPING & DELIVERY
Free Shipping
We offer free shipping on orders over $99 NZD*. Orders under this threshold incur a flat rate of $7.20**
*Excludes large or bulky items, which are charged between $25.00 and $100.00, depending on size, weight, and delivery location. Shipping is calculated at checkout.
**Rural delivery surcharge: An additional $6.00 is applied to rural addresses.
Click & Collect
Prefer to pick up your order? Select Click & Collect at checkout and collect from any Pushbikes store. Note: Some items may take 1 to 3 days to transfer between stores and up to 12 days for certain brands if the item is coming from our supplier. We'll notify you when your order is ready.
Delivery Time Frames
In-Stock Items:
For items in stock at our stores, expect delivery within 2 to 3 business days of order confirmation. Orders placed after 3pm will be processed the following business day. Please allow an additional 2 days for rural delivery.
From Supplier
Items shipped directly from our suppliers are usually dispatched within 5–7 business days. Some may take up to 12 business days, depending on the supplier. Estimated delivery times and stock location are shown for each product page above the add to cart button. Rural deliveries may take an extra 2 days.
Tracking Information
You'll receive a tracking number by email as soon as your order has been dispatched. If you haven’t received tracking details within your expected delivery window, please contact us to confirm.
Shipping Bikes
Bikes cannot be shipped due to brand warranty and dealer policies. All bikes, including electric bikes, must be collected in store fully assembled. If you're unsure, feel free to contact us before ordering.
Processing of bikes for 'click & collect' can take up to 7 days if they need to be shipped from our suppliers or assembled in-store.
Returns and Warranty
For information about returning a product or submitting a warranty claim, please see our Returns and Warranty Policy here.
Questions
If you're unsure about shipping rates or have any questions, get in touch with us with any questions.
REVIEWS & QUESTIONS
- Reviews
- Questions
Great service from the team at Pushbikes, another quality product from Shimano.
Shimano Ultegra Rim Brake Caliper
Excellent product. Light and works as it should.
$144.99

Shimano BR-MT410 Disc Brake...$37.99

