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.
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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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21-005-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
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Cylinder diameter OA/OB
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17.5 mm
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Cylinder diameter OC/OD
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14 mm
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Reservoir capacity
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18 cm3
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Hydrualic thread
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M10 x 1.25
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Weight
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0.42 kg
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Leverage ratio
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Adjustable: 5:1 - 3,8:1
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Handlebar size
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25.4 mm diameter
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Surface finish
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Clear anodised
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