What fork seal fits a Beta 450 RX 4T?

The Beta 450 RX 4T uses a 48 mm fork. We stock the manufacturer-verified seal and bushing kits for it; matching is done off the verified application list, not just the seal size.

What size is the Beta 450 RX 4T fork?

The Beta 450 RX 4T has a 48 mm fork.

Can I use any seal with the same dimensions?

No. Fork seals can share a size and still not seat correctly in a different fork design, so use the seal verified for your bike. The kits listed here are confirmed by the manufacturer to fit the Beta 450 RX 4T.

Beta 450 RX 4T Fork Seals

Q: What fork oil does the Beta 450 RX 4T use?

The Beta 450 RX 4T uses 5wt fork oil, about 540 ml per leg (factory fill Motul 5wt (KYB AOS spec)).

The Beta 450 RX 4T runs a 48 mm front fork.Every kit here is verified by the manufacturer to fit this exact bike. Fork seals can share a size and still not seat in a different fork, so we only list what is confirmed for your bike.