2Bros Parts

BETA RR 250 4T 2005 - 2007 CRANK BEARING & SEAL KIT

£170.02

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Free UK delivery 2–4 business days

Spread the cost with Klarna 18+, T&Cs apply

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ProX crankshaft bearing and seal kits are manufactured at leading OEM factories, mainly in Japan. All bearings and seals are made to exact OEM specifications for maximum quality and performance. ProX uses respected brands like Koyo, NTN, NOK and ARS, which are also used by OEM brands like Yamaha, Kawasaki, Honda, Suzuki and KTM. ProX bearings offer high durability and the seals ensure oil retention and dirt exclusion. ProX Crankshaft Bearing & Seal Kits provide reliability and carefree driving. The sets contain all necessary parts for crankshaft rebuilding and are compatible with all other ProX or OEM crankshaft related products. These kits complete the ProX crankshaft parts program and are a direct replacement for Dirt bikes, ATVs and PWCs.

Specifications
SKU
PROX.23-CBS64003
Brand
Prox
Availability
In Stock (5)
SKU
PROX.23-CBS64003
Brand
Prox
Availability
In Stock (5)
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

ProX Crankshaft Bearing and Seal Kit

Ensure your engine runs with optimal reliability and performance with the ProX Crankshaft Bearing and Seal Kit. Designed as a comprehensive solution for crankshaft rebuilds, this kit provides all the necessary components to restore your engine to factory standards. By combining precision engineering with high quality materials, ProX ensures a perfect fit and dependable operation for your machine.

Key Features:

  • OEM Quality Standards: Manufactured in leading facilities to meet or exceed exact OEM specifications for maximum performance.
  • Trusted Components: Features industry leading bearing and seal brands such as Koyo, NTN, NOK, and ARS.
  • Engine Protection: High durability bearings provide smooth operation, while premium seals effectively retain engine oil and prevent dirt or contaminants from entering the crankcase.
  • Complete Rebuild Solution: Each kit includes all the necessary parts required to complete a crankshaft service in one convenient package.
  • Versatile Compatibility: Designed to work seamlessly with both ProX components and original OEM crankshaft parts for flexible maintenance options.

Whether you are performing routine maintenance or a full engine restoration, ProX Crankshaft Bearing and Seal Kits provide the peace of mind needed for carefree riding. These kits are engineered to withstand the rigors of demanding use, making them an excellent choice for those who prioritize long term durability and engine health.

Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.

Call or email us with your make, model and year and we will check it for you before you order.

UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

More answers in our FAQ.

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