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ISR 4 Piston Monoblock 84mm Mount/Universal Axial Front or Rear Car Brake Caliper, Including Pads (22-048-OF) Ref: 70124 Crafted from a solid piece of billet aluminium and using 4 individual pads per unit, these calipers not only look great but have the performance to match!
- Ultra-light & durable with clear anodised finish
- 84mm (M8 threaded) mounting bolt pattern
- Tufram coated aluminium alloy pistons
- Standard organic roads pads included
- Optional upgrade professional race sintered pads (tick box below)
Weight per caliper (including pads): 460g
Piston diameter: 25 mm (x4)
Swept height of disc: 27 mm (conventional standard width track)
Pad area: 14 cm²
Disc diameter compatibility: 150-250 mm
Hydraulic Threads M10 x 1.25mm
Please note: We can supply ISR parts unanodised should you wish to apply your own finish, just tick the option box below when ordering, the parts will also be supplied unassembled.
HPS can also produce lightweight bespoke/custom rear or front discs to go with these or any other calipers (see our bespoke discs information page and downloadable ordering/quotation form here).
Price:£358.83 (£430.60 Including UK VAT at 20%)
(Shipping costs calculated before checkout and 20% UK VAT/tax will be removed for non-UK destinations)
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ISR 4 Piston Monoblock 70mm Mount/Universal Radial Front or Rear Car Brake Caliper, Including Pads (22-048-OB) Ref: 63769 Crafted from a solid piece of billet aluminium and using 4 individual pads per unit, these calipers not only look great but have the performance to match!
- Ultra-light & durable with clear anodised finish
- 70mm (M8 unthreaded) radial mounting bolt pattern
- Tufram coated aluminium alloy pistons
- Standard organic roads pads included
- Optional upgrade professional race sintered pads (tick box below)
- Mounting bolt hole length/depth 33mm
Weight per caliper (including pads): 460g
Piston diameter: 25 mm (x4)
Swept height of disc: 27 mm (conventional standard width track)
Pad area: 14 cm²
Disc diameter compatibility: 150-250 mm
Hydraulic Threads M10 x 1.25mm
Please note: We can supply ISR parts unanodised should you wish to apply your own finish, just tick the option box below when ordering, the parts will also be supplied unassembled.
HPS can also produce lightweight bespoke/custom rear or front discs to go with these or any other calipers (see our bespoke discs information page and downloadable ordering/quotation form here).
Price:£358.83 (£430.60 Including UK VAT at 20%)
(Shipping costs calculated before checkout and 20% UK VAT/tax will be removed for non-UK destinations)
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ISR 2 Piston Radial Racing Rear Car Brake Caliper, Including Pads (22-049) Ref: ISR-22-049 Extremely Light - Extremely Versatile!
Beautifully carved from billet aluminium - these ultra-light radial rear calipers are available in Left-Hand or Right-Hand versions (Right-Hand version pictured) for discs from 150 to 250 mm in diameter.
Because the swept height of the pads is only 27 mm, this also means HPS can produce very lightweight discs to go with these calipers (see our bespoke discs information page and downloadable ordering/quotation form here).
- High-perfromance Sintered brake pads included
- Ultra-light & durable with clear anodised finish
- Tufram coated aluminium alloy pistons
Weight per caliper (including pads): 290g
Piston diameter: 25 mm x 2
Pad area: 7 cm² x 2 = 14 cm² total
Pad track/swept height of disc: 27 mm (narrow track)
Mounting holes: Pitch/distance apart 56 mm. hole depth 27.4 mm
Mounting bolts: 8 mm diameter x 2 (not included)
Offset (mouting bolts to disc centre-line) 15 mm
Hydraulic Threads M10 x 1.25 mm (10 mm depth)
Disc size/diameter compatibility: 150 - 250 mm
Disc thickness: 4.6 - 5.0 mm
Surface finish: Clear anodised
Please also note: We can supply ISR parts unanodised should you wish to apply your own finish, just tick the option box below when ordering, the parts will also be supplied unassembled.
Price:£208.97 (£250.76 Including UK VAT at 20%)
(Shipping costs calculated before checkout and 20% UK VAT/tax will be removed for non-UK destinations)
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ISR Piston Cap Removal ToolRef: ISRPSTCPRT
Billet tool for removing the piston caps from your ISR caliper.
Available for 25mm, 30mm, & 34mm pistons.
Size required...
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Price:£53.72 (£64.46 Including UK VAT at 20%)
(Shipping costs calculated before checkout and 20% UK VAT/tax will be removed for non-UK destinations)
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GPFAX EBC Sintered Brake Pads for ISR Calipers Track Use (GPFAX184HH) (1 Pack/2 Pads) Ref: 60938 FANTASTIC PRICES FROM HPS!
After years of research and development, the world's largest motorcycle brake pad manufacturer - EBC- introduce this totally new breakthrough sintered compound which outperforms all track-only pads ever tested by the HPS team.
- ISR original pad type part code 29-002 (Popular in Formula Student Motorsport)
- Width and Height of pads 28.5 x 45.8mm
For ISR series calipers:
22-034-XX
22-036-XX
22-043-XX
22-048-XX
22-049-XX
To assist with identification, all these calipers have:
- 25mm pistons
- an individual pad per piston
- pads are located in pairs by a pin and an 'R' clip
Please note there is a similar/larger ISR pad so please check these dimensions before ordering.
- Instant unbeatable stopping power - even from cold
- Extreme high temperature fade resistance
- Superb feel and feedback at the brake lever
- Compatible with original or aftermarket steel discs
- Fully pre-launch tested by racers and track riders of all skill levels
- Quickly usable - minimal bedding in process required
- Lowest pad wear and disc rotor abrasion levels
- Minimum ‘in-stop’ friction/retardation variation
| "These things are brilliant. ...the level of feedback is what I consider to be optimum, simply vary the lever pressure until the front tyre and fork springs push into the ground the required amount. So that's 10/10 for feel. Retardation is so good, I have been able to go back to the Wavy discs which, with less surface area, still stop just great... and the Wavys are a good chunk lighter.
Their performance when cold and when warming up is less than when up to temperature, but the brakes remain safe and consistent system with nothing untoward that could catch out the unwary and no special care seems needed, which is absolutely not the case with other pads.
EBC GPFAX is the choice of 2014".
Andy Carlile, Nürburgring Nordschleife lap record holder |
"Best stopping power!!!!"
Shimmy TV |
IMPORTANT NOTE - NOT FOR ROAD/STREET USE
The high friction levels delivered by this compound is for use with race tyres only on closed circuits. It is unsuitable for street/low adhesion road surfaces and will invalidate road insurance as NOT ECE R 90 approved nor TUV tested with German ABE making use on the public highway illegal in many countries.
HPS MONEY BACK GUARANTEE
Please call us here at HPS if you need further specific guidance as we will be very happy to help ensure you choose the right pads for your needs and we'll give you a 14-day money back guarantee on your first set (exc. postage) if you've taken our advice and don't find these are the best race pads you've ever used!.
These are not to be confused with EBC's regular Road Performance ‘Double-H’ or GPFA Race pads.
Click here for Dyno Graph and technical info
Price:£31.59 (£37.91 Including UK VAT at 20%)
(Shipping costs calculated before checkout and 20% UK VAT/tax will be removed for non-UK destinations)
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