Hope MM4 Small / MM6 Large / RX4 Small - Caliper Phenolic Piston - HBSP135

£6.10 Please note this product has selling restrictions to your country. was
Manufacturer : 
SJS Cycles part number : 
Manufacturer part number : 
Correct orientation for fitting: There are two letters embossed on the piston - these should face towards the pads - ie out of the disc brake caliper. This is the same as the square-edged recess facing out and the angled recess facing in.
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Questions & Answers (2)
Can I use this on the Hope 6TI ? Thanks
20 May 2021
These are not suitable, you need;

HBSP146 (2x)
Large piston

HBSP144 (4x)
Small piston


Thanks - 21/05/21 RH
Hope E4 Pistons and seals
15 Jul 2020
Please can you tell me the product names/codes/web links on your site for Hope e4 pistons and seal kit and if you have these in stock.

Many thanks,

All parts can be found via the hope tech doc: https://www.hopetech.com/_repository/1/documents/E4-Caliper-Exploded-view.pdf