Enzo Racing 54mm bladder caps are available in a two capacities for 54mm bladder KYB rear shocks used on modern Yamaha YZF WRF and Kawasaki KX250 models. 2018 on YZ-F shocks use a larger bladder volume to reduce internal pressure rise during operation. While this can reduce peak pressure, it also softens the progressive spring effect created by the nitrogen chamber. By reducing the gas volume, the Enzo caps increase the end-stroke resistance of the shock and better support the suspension under aggressive riding conditions. Also offered in standard capacity.
Why Choose Enzo 54mm Bladder Caps?
Changes introduced to the Yamaha linkage and shock architecture from 2018 onward increased rear suspension leverage while shortening shock stroke. The standard configuration uses a larger gas chamber which reduces pressure rise but can also reduce progression near the end of the stroke. Enzo’s reduced-volume bladder caps restore some of this progression, improving bottoming resistance and overall balance between linkage motion and damper behaviour.
Key Features
- Precision-machined 54 mm bladder cap for KYB shock reservoirs
- Choice of reduced gas chamber volume increases end-stroke progression or standard
- Improves resistance to bottoming under aggressive riding
- Integrated Schrader valve replaces needle-type gas fill
- Available in multiple finishes and capacity configurations
Specifications
- Brand: Enzo Racing
- Category: Shock Reservoir Components
- Reservoir Size: 54 mm KYB bladder type
- Material: CNC machined aluminium
- Gas Valve: Schrader valve
- Fitment: KYB rear shocks used on Yamaha YZ-F and WR-F and Kawasaki KX250 models with 54 mm bladder reservoirs
- Variation: Capacity and colour vary by SKU
Upgrade Your Ride
Correct nitrogen pressure and oil condition are essential for consistent shock performance. When installing bladder caps, it is recommended to service the shock using appropriate fluids and tooling. See our range of shock rebuild parts to support proper maintenance.
| SKU | ER-BC54RC |
| Brand | Enzo Racing |
| Shipping Weight | 0.0100kg |
| Shipping Size | 0.050 x 0.050 x 0.050m |
If your Motorcycle is listed below, this product will suit:
- KAWASAKI KX250F 2021
- KAWASAKI KX250F 2022
- KAWASAKI KX250F 2023
- KAWASAKI KX250F 2024
- KAWASAKI KX250X 2021
- KAWASAKI KX250X 2022
- KAWASAKI KX250X 2023
- KAWASAKI KX250X 2024
- YAMAHA WR250F 2020
- YAMAHA WR250F 2021
- YAMAHA WR250F 2022
- YAMAHA WR250F 2023
- YAMAHA WR250F 2024
- YAMAHA WR250F 2025
- YAMAHA WR250F 2026
- YAMAHA WR450F 2019
- YAMAHA WR450F 2020
- YAMAHA WR450F 2021
- YAMAHA WR450F 2022
- YAMAHA WR450F 2023
- YAMAHA WR450F 2024
- YAMAHA WR450F 2025
- YAMAHA WR450F 2026
- YAMAHA YZ250F 2019
- YAMAHA YZ250F 2020
- YAMAHA YZ250F 2021
- YAMAHA YZ250F 2022
- YAMAHA YZ250F 2023
- YAMAHA YZ250F 2024
- YAMAHA YZ250F 2025
- YAMAHA YZ250F 2026
- YAMAHA YZ250FX 2020
- YAMAHA YZ250FX 2021
- YAMAHA YZ250FX 2022
- YAMAHA YZ250FX 2023
- YAMAHA YZ250FX 2024
- YAMAHA YZ250FX 2025
- YAMAHA YZ250FX 2026
- YAMAHA YZ450F 2018
- YAMAHA YZ450F 2019
- YAMAHA YZ450F 2020
- YAMAHA YZ450F 2021
- YAMAHA YZ450F 2022
- YAMAHA YZ450F 2023
- YAMAHA YZ450F 2024
- YAMAHA YZ450F 2025
- YAMAHA YZ450F 2026
- YAMAHA YZ450FX 2018
- YAMAHA YZ450FX 2019
- YAMAHA YZ450FX 2020
- YAMAHA YZ450FX 2021
- YAMAHA YZ450FX 2022
- YAMAHA YZ450FX 2023
- YAMAHA YZ450FX 2024
- YAMAHA YZ450FX 2025
- YAMAHA YZ450FX 2026
| Colour | Blue |
| Diameter D (mm) | 54.00 |
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