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Bespoke Brake Disc Build Service from HPS...
Any Disc, Any Size, Any Offset …Any Bike!
ISR Individually Produced High-Carbon Steel Brake Discs
At HPS we not only supply high quality
ISR standard sized direct replacement front
or rear discs for your bike, but we also offer a bespoke disc manufacturing
service for one-offs (or batches of discs)
to enable you to put the finishing touches
to your bike - whether simply changing to non-standard wheels, or tackling an entire special project bike. Either way, HPS will ensure your ISR discs will simply bolt
straight on.
Developed and used for many years at the
highest levels of racing, ISR discs are
produced from the highest quality high-carbon Swedish
steel bar (not inferior rolled sheet) to
ensure the greatest resistance to the thermal
loading discs experience during use which
can lead to warping.
In addition, for use on the highest performance
bikes, our top-of-the-range ISR discs are truly "fully floating"
to alleviate the disc shrinkage problems
semi-floating performance discs can experience - with the option of damping to ensure they operate just as quietly as a semi-floating or a one-piece disc.
Choice of bobbin colour in blue, silver or black
Some sample photos are available at our Flickr page (click here).
ISR
Brake Disc Service from HPS
If you need to fit non-standard wheels,
forks or swingarm - or match new discs to
replacement calipers - we can supply the
discs to bring it all together.
Produced from the highest quality High-Carbon
Swedish Steel Bar, in 5mm thickness, ISR
disc features include:
- Produced
from Warp-resistant High-Carbon Steel Bar (not inferior
sheet)
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Flat or offset/dished centres
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One-piece or fully rebuildable Two-piece
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High Performance Fully-floating
or Semi-floating for non-sportsbikes
- 5mm thick for optimal thermal absorption capacity
- Standard
or Narrow-track rotors
- Dampened
option (for fully-floating noise reduction)
- Drilled
or plain/undrilled rotors
- Optional corrosion-resistant galvanised rotor finish
- Discs produced to comply with classic racing regulations where applicable
- Fully compatible with both early or the latest brake pad compounds
Classic Racer Upgraded Discs
Where racing regulations restrict braking system modifications, we can supply race discs to match your originals' dimensions and general appearance, but using this vastly superior rotor material for improved friction performance and fade resistance over original equipment high-chromium content stainless steel disc to give you winning edge. Please call us to discuss your needs.
Competitively Priced
We price these competitively at, ordinarily, no more than approximately 20% above what you would generally pay for mass-produced discs from leading manufacturers such as Brembo. This makes them a great original equipment replacement solution where off-the-shelf discs are no longer available or if you need something a little more special to improve your braking performance.
| Special offer - for a limited time HPS is offering dampened fully-floating front pairs for the same price as undampened fully-floating units, saving you up to £84 on a pair of discs. Please ask us for further details. |
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More photos available at our Flickr page (click here)
We're here to help...
Please click the button above to download our form, which will provide more information and please do call us to discuss your needs if you have any questions whatsoever.
Dampened Fully Floating - 23F
narrow-track disc (shown right).
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"I tell you what... I'm knocked out! The build quality, the look of them, the design. I went into my garage workshop and I've dropped it on to the hub and the fit is absolutely superb. I'm really impressed."
MS, W.Sussex
Vincent Special |
"Down into the new, fast Roberts chicane the massive ISR six-pot calipers get a firm grasp of the twin 320mm ISR discs and haul things down quickly. They're so powerful I could have braked halfway between my marker and the corner."
Adam Child, MCN Track Test
Norton Senior TT challenge bikes |
ISR Discs, chosen by the experts
Practical Sportsbikes magazine chose ISR discs for their Kawasaki GPZ750 project.
Here's what they said...
"For me though, the biggest improvement is the brakes.
Massive bespoke ISR floating discs gripped by Brembo Goldline calipers were always going to be a recipe for eye-popping deceleration and the reality is every bit as good as it looked on paper."
Jim Moore Practical Sportsbikes Magazine
Kawasaki GPZ750 |
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ISR Replacement Full Floating Damped Front Disc for early BMW...
Kawasaki Z900 Project
"The custom ISR discs have arrived and... 1. they fit perfectly - dimensions are spot on, and... 2. they are lovely. Very pleased with the service.
They look really good with the black Ohlins forks and Brembo billet calipers. FYI I used stainless steel Probolt disc bolts, which fitted perfectly. The bolts (which are stainless replicas of the genuine Kawasaki ones) have a shoulder which fitted just so inside the discs. I also like the fact that the fronts don't rattle too much. I had some full floating AP discs on a Fireblade and they were too loose for my taste.
The brakes are a key part of the looks and being able to get custom discs from HPS/ISR was a major plus. Being able to specify a custom offset made all the difference. It meant that I could choose an unrelated collection of parts and end up with a front end that looks cohesive and not a random shambles.
The front end consists of:
- Billet yokes from Japan for a Kawaskai Z900
- Ohlins RWU forks
- Kawasaki ZX9R wheels
- Brembo billet calipers
- Sculpture caliper brackets specially designed for the Ohlins forks
- Custom spindle and spacers
...and the rear was even more complicated! So, without the ISR discs I couldn't have done it. I think the price is very competitive as well. I hope you sell lots of these, it is a great concept."
P.R.
Kawasaki Z900 Project |
Van Veen Kreidler 50cc with ISR custom front disc...
Honda CB1100R Harris Magnum 1984 Race Bike...
| "Brakes fit and look great ...worked lovely this weekend at Cadwell, they are improving all the time as they bed in."
AG, Colchester
Harris Magnum CB1100R 1984 |
ISR Custom Disc for Yamaha TZ350G...
Royal Enfield Continental GT 535 with ISR custom front disc...
Honda CBR900RR 954 Fireblade...
More photos available on our ISR Flickr Gallery Page
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