• Opening Hours.
    Closed All Day (UK)
  • United Kingdom.
    01772 32 33 33
  • International.
    0044 1772 32 33 33

Hope RX4+ DOT Fluid Caliper

Product code: 14104


Special order

Hope RX4+ DOT Fluid Caliper

Flat Mount +20
Flat Mount Front +20
Flat Mount, Standard
Post Mount, Standard

Special order - usually 3-5 working days.

Sold out

Now available to special order in all available Hope colours! Please make sure to select the correct mount / colour you need from the listing! If you are unsure what mount you need, please get in touch before ordering.

Select a colour and mount type to see an image of that caliper.

  • High quality upgrade for drop bar DOT road, gravel and cyclocross hydraulic brake systems!
  • CNC Machined in the UK.
  • Huge range of mount options to fit your frame or fork!
- The RX4+ supersedes the RX4 and builds on 25 years of experience in designing and manufacturing hydraulic brakes.
- Super pimp upgrade for modern hydraulic drop bar braking systems for more power and better serviceability!
- CNC machined in the UK from 2014 T6 aluminium.
- Available in Dot fluid and Mineral oil versions, making it compatible with the big name levers on the market.
- Flat Mount, Flat Mount +20 and post mounts options available.
- Dot Fluid calipers have a 'D' etched onto the bore cap.
- Slimline 4 piston design gives the brake superior power while still keeping the weight down.
- Supplied with all fittings allowing easy fitting with any 5mm Hope hose (Kevlar, and the latest Stainless/Braided hoses).
- Comes complete with Hope standard resin compound brake pads, fitting bolts and washers.
-Product images are an example of colour and the different mount types available. If you are unsure what mount you need, please get in touch before ordering! - Suggested use: Road, Cyclocross and Gravel. NOT recommended for trials or MTB use!.

Additional Information

Please note, this is the Dot Fluid version. Please click here if you require the Mineral oil caliper.

DOT Fluid caliper is compatible with:

Sram Red eTap AXS
Sram Red
Sram Force eTap AXS
Sram Force
Sram Rival eTap AXS
Sram Rival
Sram Apex
Sram S900


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  • © TartyBikes Ltd, 2024
  • Tel. (UK). 01772 32 33 33
  • Tel. (Intl). 0044 1772 32 33 33

TartyBikes Ltd, Units 3-4, Club Street, Bamber Bridge, Preston, PR5 6FN

  • Company No. 6131482
  • VAT. GB 860 0270 59

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