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HUGE
STOCKS • FRIENDLY, EXPERT ADVICE • WORLDWIDE EXPORT
• HIGHEST QUALITY PARTS • SPEEDY DELIVERY
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High
Quality Braking System Components
ISR was founded in 1968 as a manufacturer
of high quality motorcycle parts,
manufacturing their first master cylinder
way back in 1972. Since then, their
acquired experience has allowed them
to refine and improve their products
to the point where we believe their
features, functionality and quality
are second to none.
During ISR’s history they have
produced the first billet aluminium
calipers, won the World Endurance
Championship and seen their calipers
used on GP bikes at the pinnacle of
motorcycle sport.
We know ISR produce a product you
can put your braking confidence in
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Radial Brake and Clutch Master Cylinder
This fully adjustable radial master
cylinder, is more efficient than a
conventionally configured unit, giving
increased power and better braking
feel which - due to its adjustable
leverage ratio and span/reach - can
be "tailored" to each rider's
individual needs.
The seperate leverage ratio and span/reach
adjustments are easily accessible
(no tools are needed) and can even
be changed while riding the bike.
Constructed using different "modules",
it allows for various parts to be
swapped (for example after crash damage)
without having to strip/bleed the
entire system and the two piece design
makes lever replacement a mere 20
second operation.
The design also has the unique benefit
of being interchangeable for brake
or clutch use (permitting matching
levers and reduced spares requirements
for race teams). This is achieved
by the quickly detachable lever pivot
mechanism being separate from the
cylinder, meaning it can be rotated
and switched between clutch and brake
operation quickly and easily.
Alternatively, a complete matching
Cable Clutch Lever Assembly is available
- see below.

Click here for more images
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Adjustable
leverage ratio |
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Span/reach
adjustable lever with
comfortable profile |
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Integral
nipple for rapid bleeding
after assembly/servicing |
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Clear
anodised, corrosion resistant
finish |
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Can
be configured as a brake
or clutch master cylinder |
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434g
– complete, without
reservoir |
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Uses
same lever as Cable Clutch |
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Option
for integral fluid reservoir
– at extra cost |
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Ready
to connect to your bike’s
standard/original or optional
remote fluid reservoir
- available below (separate/bike’s
original reservoir mounting
bracket required) |
Can
be supplied with optional single
or double brake line banjo bolt
and washers - with integral
hydraulic brake light switch
for road/street bikes.

Only
£250
inc. VAT |
Cable
Clutch Lever Assembly
For those who fit an ISR Brake
Master Cylinder and want a matching
clutch lever unit or for those
who simply need to adjust the
span of their cable clutch lever
– this is THE product.
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Takes
standard 3.5mm clutch
cables |
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Adjustable
lever reach |
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Clear
anodised, corrosion resistant
finish |
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275g
- complete |
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Matches
ISR hydraulic master cylinders
and uses same levers |
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Only
£100
inc. VAT |
When
ordering for a road/street bike, don’t
forget to include a banjo-bolt with
an integral hydraulic brake light
switch if your bike’s original
master cylinder has a mechanical switch
which will be removed when you change
over.
ISR
Calipers
The
fact that ISR sriginally started
to develop their word-championship
winning calipers in the late
1980’s - for customers
including Eddie Lawson, Wayne
Rainey and the Yamaha factory
GP racing team - emphasises
their technical heritage and
today, no matter whether you’re
riding a late 90’s street
bike or one of the most recent
radially equipped sportsbike
models, the chances are ISR
has the calipers for you.
The range of two, four and
six piston versions is extensive
and you can order popular
variants on line at HPS, or
give us a call if your application
is a little more obscure.
ISR’s top of the line
model is the monoblock six
piston caliper shown here
- which features six individual
pads for the best feel and
perfomance. The years of development
clearly show in the sophistication
and quality of these latest
versions which have improved
stiffness and special cooling
ducts.

From
£800
inc. VAT (pair)
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ISR
Endurance Calipers
The biggest and
baddest caliper in the ISR
range, these deliver phoenominal
stopping power!
Supplied in the 108mm radial
mount fitting as used by
the majority of sports bike
manufacturers, they will
drastically improve the
stopping power of any bike.
As used by Ghost Rider on
his 499 BHP Turbo Suzuki
these calipers have been
tested at over 230MPH! After
watching him ride you can
see why he needs good brakes
and he only uses ISR products!
Come complete with six individual
brake pads, per caliper,
in the latest SBS dual carbon
compound.

£500
inc. VAT (each)
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*All
products are subject to availability. Images are for
display purposes only, actual product images may vary
slightly. Manufacturers' specifications and HPS prices
are correct at time of publishing and are in UK Pounds
Sterling (£); however, they may fluctuate and
we therefore reserve the right to amend them without
notice. Prices exclude delivery options which can be
specified at the customer's request. All manufacturer's
trademarks acknowledged. All products and offers are
subject to availability and HPS
terms and conditions of sale. Phone calls may be
recorded/monitored for training/security purposes. E.&O.E. |
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