Ultra Racing Mini Mk1 (R53) Rear Anti Roll Bar URAR19-129
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Ultra Racing Rear Anti-Roll Bar – MINI R53
Improve rear axle response and body control on your MINI R53 with the Ultra Racing Rear Anti-Roll Bar.
Designed to reduce body roll during cornering, this uprated rear anti-roll bar helps control lateral weight transfer and can make the car feel more responsive and balanced during fast-road or track driving.
Ultra Racing part number:
URAR19-129
Reduce Body Roll
During cornering, vehicle weight transfers towards the outside wheels, causing the body to roll.
An uprated rear anti-roll bar increases resistance to this movement by linking the left and right sides of the rear suspension more firmly.
Potential benefits include:
- Reduced body roll
- Improved rear axle response
- More controlled cornering behaviour
- Sharper direction changes
- Increased chassis confidence
- More consistent suspension behaviour
Improved Rear Axle Response
Increasing rear roll stiffness can help the car respond more quickly to steering inputs and direction changes.
This can contribute to:
- More responsive turn-in
- Improved agility
- Better control through fast corners
- Greater confidence during rapid direction changes
Handling Balance
Changing anti-roll bar stiffness affects the balance between the front and rear axles.
Increasing rear roll stiffness can reduce the car's tendency towards understeer and make the rear axle more responsive, although the exact effect will depend on tyres, geometry, suspension setup and driving conditions.
For this reason, an uprated rear anti-roll bar should be considered as part of the complete chassis setup rather than as an isolated modification.
Supports a Performance Suspension Setup
An uprated anti-roll bar works alongside the springs and dampers rather than replacing them.
It can be a useful addition to MINI R53 models fitted with:
- Coilovers
- Lowering springs
- Performance dampers
- Uprated suspension bushes
- Higher-grip tyres
- Chassis braces
- Performance geometry
19mm Rear Anti-Roll Bar
The URAR19-129 part number denotes a 19mm rear anti-roll bar.
The increased roll stiffness is designed to improve body control and rear axle response compared with a softer standard setup.
Road & Track Use
The Ultra Racing Rear Anti-Roll Bar is suitable for:
- Fast-road MINIs
- Trackday builds
- Performance-focused daily drivers
- Lowered vehicles
- Cars with upgraded suspension
It can help improve body control without requiring significantly stiffer springs solely to reduce roll.
Vehicle Fitment
Designed for:
- MINI R53
- MINI GEN 1
Ultra Racing part number:
URAR19-129
Exact model and engine compatibility should still be confirmed before ordering.
If you're unsure whether URAR19-129 is suitable for your MINI, please contact The Rosso Corsa Collective with your registration or exact vehicle details.
Product Image Note
Product images may be generic or illustrative.
The exact shape, mounting arrangement and supplied hardware can vary depending on vehicle application.
If you need confirmation of the exact anti-roll bar or supplied components before ordering, please contact The Rosso Corsa Collective.
Professional Installation Recommended
Professional installation is recommended.
Anti-roll bar bushes, drop links and surrounding suspension components should be inspected during fitting, and all fasteners tightened to the appropriate specification.
A geometry check is also recommended where the anti-roll bar is being fitted as part of a wider suspension upgrade.
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