Coilovers

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Coilovers

BC Racing Coilovers for the avid fast road or flat out track user 

Coilovers  There are no products in this category.

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  • RM Series

    Designed for the advanced track user

    RM Series Inverted Coilover

    • Inverted monotube damper bodies
    • Pillowball upper mount
    • Camber adjustable top mounts
    • Aluminium top plates
    • 30 way adjustable damping
    • Adjustable spring platform
    • Height adjustment via bottom mount to retain full damper travel
    • Bearing mounted upper front spring platform
    • Dust boot to protect damper seals
    • * some features are dependent on model

    Inverted damper:

    The BC Racing RM series feature high quality damping adjustable monotube inverted dampers at the front or front and rear, depending on vehicle. The RM coilovers offer the majority of the features of the BR series but with the additional benefit of the inverted damper unit. Inverting the damper unit brings with it a number of advantages.

    Reduced unsprung weight

    Unsprung weight is reduced by moving the oil and gas reservoir way from the hub and attaching it to the shell. Unsprung weight is vital to a cars performance as a lighter wheel and hub assembly which readily moves in response to road bumps will have more grip when tracking over an imperfect road. A high unsprung weight can lead to wheel hop over bumpy ground and will reduce the quality of the ride and also untlimate handling as anything that impairs the suspension ability to maintain contact between road and tyre will be of detriment to the cars performance.

    Reduced heat transfer to the gas and oil reservoir

    Any hard driven car with generate a lot of heat within its braking system. This heat is conducted through the hub to the damper unit. By inverting the oil and gas reservoir the oil and gas is moved away from the hub assembly . This reduces the amount of conducted heat being transferred from the braking system to the hub then to the damper and then on to the gas and oil. As the oil and gas is heated its properties change which has a knock on effect on the damping characteristics of the suspension. By keeping the gas and oil temperatures down BC Racing RM coilovers keep damping rates more consistant resulting in better performing suspension and ultimately allowing you to corner faster, which is the bottom line.

    Reduced flex

    The large 42mm damper rod and inverted design gives the inverted damper units much greater strength and resistance to side loadings. By reducing flex the RM inverted units lead to more consistant steering geometry resulting in more predicatable and responsive handling.

  • BR Series

    Street and Circuit Coilover

    • Pillowball upper mount
    • Camber adjustable top mounts
    • Aluminium top plates
    • 30 way adjustable damping
    • Adjustable spring platform
    • Height adjustment via bottom mount to retain full damper travel
    • Bearing mounted upper front spring platform
    • Dust boot to protect damper seals
    • * some features are dependent on model

    The BR series coilovers use a large 46mm diameter piston in a 53mm diameter damper body to maximise oil capacity.

    As the damper unit opearates the oil contained within heats up. The viscosity of oil changes as its temperature varies which can lead to changes in the damping characteristic of the unit.

    BC Racing only use a very high quality oil with their coilovers but go that extra mile to maximise performance and build their BR range with a large 53mm diameter damper body. This increases the capacity of the unit which increases the volume of oil contained which in turn reduces the peak temperature and so significantly improves damper performance.

  • ER Series

    External reservoir ER Series

    BC Racings premium flagship coilovers are the external reservoir ER Series with separate compression and rebound damping adjustment. The ER Series coilovers bring with them the high quality and unique features seen on the BR and RM type but have the additional benefit of external reservoirs and the ability to allow the end user to individually adjust and set compression and rebound damping rates.

    External reservoir

    The external reservoir ER Series coilovers allow BC Racing to increase the oil capacity of the damper unit. The additional oil capacity reduces peak oil temperatures which decreases variations in damping rates due to oil viscosity changes. The reduction in damping rate variations improves handling and ultimate on road and track performance.

    Separate compression and rebound damping adjustment

    By separating the adjustment for damping compression and rebound the ER Series allows you to dial the vehicle in to your exact needs. When braking hard whilst approaching a corner you want the car to transfer weight to the front tyres to maximise grip for the braking effort and also to allow you to trail brake into the corner without the car understeering.

    As you start to lift off the brakes on corner entry you don’t want the suspension to snap back up too quickly as this will remove the loading from the front tyres too quickly and lead to understeer. As soon as the car starts to understeer you need to wind off the steering lock to reduce the work effort applied to the tyres to allow them to regain traction. This slows the vehicles ultimate speed.

    The compression damping adjustment allows you to fine tune the way the car rolls onto its front tyres during braking and the separate rebound adjustment allows you to fine tune the way the car responds as you come off the brakes to enter the corner proper and keep the front end hooked up. This allows you to get back on the power sooner and maximise corner exit speed. Corner exit speed is vital because this determines you maximum speed achieved down the next straight.

  • V1 Series

    Designed for Street and Track day

    V1 Series Street and Circuit Coilover

    • Pillowball upper mount
    • Camber adjustable top mounts
    • Aluminium top plates
    • 30 way adjustable damping
    • Adjustable spring platform
    • Height adjustment via bottom mount to retain full damper travel
    • Dust boot to protect damper seals
    • * some features are dependent on model

    The V1 series coilovers use a large 44mm diameter piston in a 50mm diameter damper body to maximise oil capacity.

    As the damper unit opearates the oil contained within heats up. The viscosity of oil changes as its temperature varies which can lead to changes in the damping characteristic of the unit.

    BC Racing only use a very high quality oil with their coilovers but go that extra mile to maximise performance and build their V1 range with a large 50mm diameter damper body. This increases the capacity of the unit which increases the volume of oil contained which in turn reduces the peak temperature and so significantly improves damper performance.