Hope RX4 Caliper Flatmount for Hydraulic Disc Brakes - front - blue

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Description of Hope RX4 Caliper Flatmount for Hydraulic Disc Brakes - front - blue

The Hope RX4 is a dropbar compatible 4 piston disc brake caliper especially designed to work with Shimano or SRAM brake lever master cylinders, aimed for road and cyclocross use.

Its slimline 4 piston design allows an effectively weight reduction. While a Monobloc construction provides more stiffness reducing the fuzzy lever feel. Furthermore the RX4 offers increased piston retraction, meaning the pads move further into the bore, away from the rotor, which will reduce brake pad rub. The design of this caliper allows pressure to be spread over the 2 smaller pistons each side of the caliper which allows for a larger pad, offering greater pad to disc contact which increases brake friction and results in better brake feel and modulation at the lever. Additionally a larger pad will also help dump heat quicker than a small pad.

Specifications of the Hope RX4 Flatmount caliper:


Shimano compatible version:
The RX4 Shimano caliper can replace the following Shimano caliper references: BR-R9170, BR-RS805, BR-RS405 and BR-RS505. Fits directly with a Ø 160 mm rotor. This caliper version is especially designed for Shimano main pistons and features larger pistons compared to the SRAM version. The Shimano compatible caliper version will only work with mineral oil brake fluid. Compatible brake pads: HBSP323R (organic).

SRAM compatible version:
The RX4 SRAM caliper can replace the SRAM Force, Red and Rival calipers and fits directly with a Ø 160 mm rotor. This caliper version is especially designed for SRAM main pistons and features a little bit smaller pistons compared with the Shimano version. The SRAM compatible caliper version will only work with DOT 4 or 5.1 brake fluid. Compatible brake pads: HBSP359 (organic).
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Fact Sheet of Hope RX4 Caliper Flatmount for Hydraulic Disc Brakes - front - blue

Product Name: Hope RX4 Caliper Flatmount for Hydraulic Disc Brakes - front - blue
Manufacturer: Hope
Item Code: HOP355810
Year: 2018
Material: aluminium 2014 T6
Weight: approx. 98 gram (Shimano version, without brake pads | weighed by Bike24)
Fitting for FW/RW: FW
Braking pads: organic
Shimano: HBSP323R
SRAM: HBSP359
Brake fluid: DOT 5.1 ||| DOT 4 ||| Mineral oil
Included in delivery: 1 brake caliper incl. aluminium bleed block, hose assembly
Manufacturer page: http://www.hopetech.com
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Selection: Hope RX4 Caliper Flatmount for Hydraulic Disc Brakes - front - blue
Currently not in stock Production, delivery time 8-9 weeks Version Shimano (Mineralöl)
Still 1 in stock in stock, delivery time 11-13 days Version SRAM (DOT)
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