⟲ 360° — drag meThe facts.
| Part number | CY087 |
|---|---|
| Type | Radial brake master cylinder (Ready To Brake) |
| Piston diameter | 19 mm |
| Pivot distance | 18 mm |
| Lever | Folding, long, with relieving eyelet (RST), 7 colours |
| Body | CNC-machined aluminium, shark design |
| Hose thread | M10x1 |
| Brake light switch | Integrated micro-switch, included |
| Reservoir | Not included |
| Road approval | No German approval documented |
DescriptionThe whole story▼
The Accossato Ready To Brake 19x18 is a radial brake master cylinder built around a shark-shaped body and an integrated micro-switch, designed to cut the dead stroke of the braking process down with no adjustment needed. The 19 mm piston suits dual-disc front brake systems, while the fixed 18 mm pivot distance is tuned for track use and is also recommended on the road. The folding lever is offered in seven colours, letting the lever match the rest of the motorcycle.
Key Features
- 19 mm piston diameter, suitable for dual-disc braking systems
- 18 mm lever pivot distance for track use, also recommended for street riding
- Folding lever, long version, with relieving eyelet (RST), available in seven colours
- Integrated micro-switch for the brake light, built into the unit
- Offset fixing riser with a quick-release jumper to speed up servicing
- Shark-shaped body that gives the master cylinder its distinct profile
- Stainless steel mounting screws and a zinc-plated bleed valve
- Seals manufactured from Formula 1 compound material
Construction and Material Quality
Like the rest of the Accossato radial brake range, the Ready To Brake master cylinder is fully made in Italy and CNC machined from aluminium. The screws are stainless steel, the bleed valve is zinc-plated steel, and the internal seals are made from Formula 1 compound so they continue to seal reliably through repeated heat cycles and brake fluid exposure. The fixing riser is offset to reduce bending of the master cylinder body while the brake is applied, and it also carries a quick-release jumper, which lets the unit be removed from the clamp for servicing without disturbing the hose connection.
What Makes the Ready To Brake Design Different
Accossato describes this unit as the evolution of its existing master cylinder range because the passive stroke of the braking process, the small amount of lever travel before the pads actually start to bite, is cut down across the board without the rider needing to make any adjustment. That shorter dead stroke is paired with an integrated micro-switch that handles the brake light function inside the body itself, rather than as a separate stop light switch fitted elsewhere on the lever assembly, while the overall unit still keeps a light weight. The 19 mm piston diameter is specified for dual-disc front brake systems, where more fluid needs to move to apply two callipers evenly, and the 18 mm pivot distance gives a lever feel suited to both circuit and road use.
Fitment and Compatibility
This master cylinder is listed against 76 motorcycles in our fitment data, covering Aprilia, Ducati, Honda, Kawasaki and Suzuki model ranges, including the Aprilia RSV4 1100 (2019-2023), Ducati Panigale V4 (2000-2024), Honda CB1000R (2008-2023), Kawasaki ZX-10 R (2006-2023) and Suzuki GSX-R 1000 (2001-2023). The full list of confirmed motorcycles, with exact model years, is published in the Fitment tab on this page; please check it against your own registration before ordering.
Road Approval
This master cylinder is not supplied with German road-approval documentation; it is intended for track and competition use.
Scope of Delivery
The package includes the Accossato Ready To Brake 19x18 radial brake master cylinder with the integrated micro-switch, fitted with a long folding lever and relieving eyelet (RST) in the colour selected, plus the matching mounting nut. Stainless steel mounting screws, the zinc-plated bleed valve and the Formula 1 compound seals are assembled on the unit. The fluid reservoir is not included and must be purchased separately.
Specifications
- Part number: CY087
- Type: Radial brake master cylinder (Ready To Brake)
- Piston diameter: 19 mm
- Pivot distance: 18 mm
- Lever: Folding, long, with relieving eyelet (RST), 7 colours
- Body: CNC-machined aluminium, shark design
- Hose thread: M10x1
- Brake light switch: Integrated micro-switch, included
- Reservoir: Not included
- Road approval: No German approval documented
DownloadsOwner's manual · brochure▼
FitmentWhich bikes this fits▼
- Aprilia DORSODURO 900 (2017–2019)
- Aprilia RS 660 (2021–2023)
- Aprilia RSV4 (2013–2015)
- Aprilia RSV4 1100 (2019–2023)
- Aprilia RSV4 R (2009–2023)
- Aprilia RSV4 RF (2015–2023)
- Aprilia RSV4 RR (2015–2019)
- Aprilia SHIVER 900 (2017–2020)
- Aprilia TUONO 660 (2021–2023)
- Aprilia TUONO V4 1100 (2015–2016)
- Aprilia TUONO V4 1100 FACTORY (2015–2020)
- Aprilia TUONO V4 1100 RR (2015–2018)
- BMW HP4 (2012–2014)
- BMW K 1300 R (2009–2016)
- BMW K 1300 S (2009–2015)
- BMW K1600 GT (2011–2023)
- BMW K1600 GTL (2011–2023)
- BMW R NINET (2014–2016)
- BMW R1200R (2006–2015)
- BMW R18 (2020–2023)
- Ducati DESERT X (2022–2024)
- Ducati DIAVEL (2011–2019)
- Ducati DIAVEL 1260 (2019–2022)
- Ducati DIAVEL 1260 S (2019–2022)
- Ducati HYPERMOTARD 821 (2013–2016)
- Ducati HYPERMOTARD 950 (2019–2024)
- Ducati HYPERMOTARD 950 SP (2019–2024)
- Ducati Hyperstrada 821 (2013–2016)
- Ducati MONSTER 1200 (2014–2021)
- Ducati MONSTER 796 (2011–2016)
- Ducati MONSTER 797 (2017–2021)
- Ducati MONSTER 821 (2017–2021)
- Ducati MONSTER 821 DARK (2015–2016)
- Ducati MONSTER 937 (2021–2024)
- Ducati MULTISTRADA 1200 (2015–2020)
- Ducati MULTISTRADA 1260 (2018–2020)
- Ducati MULTISTRADA 950 (2017–2021)
- Ducati MULTISTRADA V2 (2022–2024)
- Ducati MULTISTRADA V2S (2022–2024)
- Ducati MULTISTRADA V4 (2021–2024)
- Ducati MULTISTRADA V4 PIKES PEAK (2022–2024)
- Ducati MULTISTRADA V4 RS (2024–2024)
- Ducati MULTISTRADA V4S (2021–2024)
- Ducati Panigale 1199 (2012–2017)
- Ducati Panigale 1299 (2015–2018)
- Ducati Panigale 899 (2014–2015)
- Ducati Panigale V2 955 (2020–2024)
- Ducati Panigale V4 (2018–2024)
- Ducati Panigale V4 R (2019–2024)
- Ducati Panigale V4 S (2018–2024)
- Ducati SCRAMBLER 1100 (2018–2024)
- Ducati SCRAMBLER ICON (2015–2024)
- Ducati STREETFIGHTER V4 (2020–2023)
- Ducati SUPERSPORT 950 (2021–2024)
- Ducati SUPERSPORT 950 S (2021–2024)
- Ducati X DIAVEL (2016–2022)
- Honda CB1000R (2018–2023)
- Honda GL1800 GOLD WING (2018–2023)
- Honda RC213V-S (2016–2018)
- Honda VFR1200F (2010–2016)
- Honda VFR800X Crossrunner (2015–2019)
- Kawasaki GTR 1400 (2014–2017)
- Kawasaki NINJA 1000 SX (2020–2023)
- Kawasaki NINJA H2 (2015–2023)
- Kawasaki Z1000 (2010–2023)
- Kawasaki Z900RS (2018–2020)
- Kawasaki ZX-10 R (2006–2023)
- Kawasaki ZX-10 RR (2016–2023)
- Kawasaki ZX-6R (2003–2016)
- Kawasaki ZZR1400 (2006–2023)
- Suzuki GSX-R 1000 (2003–2023)
- Suzuki GSX-R 600 (2003–2023)
- Suzuki GSX-R 750 (2003–2023)
- Suzuki GSX-S1000 (2015–2023)
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