The 21-011 master cylinder comes with two different cylinder diameters,
14 or 17.5 mm, for use with clutch and/or brake.
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 21-011 with adjustable reach to the lever.
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Technical data
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Part number
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(Click on Part# to view image)
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21-011-OA (RH)
21-011-OB (LH)
21-011-OC (RH)
21-011-OD (LH)
21-011-OI (RH)
21-011-OJ (LH)
21-011-OK (RH)
21-011-OL (LH)
Swap the "O" with an "A" to get the part number for lever with adjustable grip.
For example: 21-011-AB
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Cylinder diameter OA/OB/OI/OJ
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17.5 mm
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Cylinder diameter OC/OD/OK/OL
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14 mm
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Reservoir capacity
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11 cm3
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Hydrualic thread
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M10 x 1.25
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Weight
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0.39 kg
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Leverage ratio
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Adjustable: 5:1 - 3,8:1
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Handlebar size OA-OD
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25.4 mm diameter
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Handlebar size OI-OL
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22 mm diameter
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Surface finish
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Clear anodised
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