ISR Brakes
 Home | SiteMap | Contact ... 


Price list
Order info
About ISR

21-005   Master cylinder
<< Back 

The 21-005 master cylinder comes with two different cylinder diameters, 14 or 17.5 mm.

The 14 mm M/C is suitable for installations with a pair of two piston calipers, up to 34 mm diameter pistons. The 17.5 mm M/C is more suitable for a pair of two piston calipers with 43 mm diameter pistons and also pairs of four or six piston calipers.

It is equipped with leverage adjustment to be able to control the feel of the M/C. You can also order the 21-005 with adjustable reach to the lever.

21-005 Master Cylinder

Technical data
Part number
(Click on Part# to view image)
21-005-OA (RH)
21-005-OB (LH)
21-005-OC (RH)
21-005-OD (LH)
21-005-AA (RH) Adj. grip
21-005-AB (LH) Adj. grip
21-005-AC (RH) Adj. grip
21-005-AD (LH) Adj. grip
Cylinder diameter OA/OB 17.5 mm
Cylinder diameter OC/OD 14 mm
Reservoir capacity 18 cm3
Hydrualic thread M10 x 1.25
Weight 0.42 kg
Leverage ratio Adjustable: 5:1 - 3,8:1
Handlebar size 25.4 mm diameter
Surface finish Clear anodised

Top of Page