What fork seal fits a Triumph 660 Trident?

The Triumph 660 Trident uses a 43 mm fork with 43x55x10.5 oil seals. 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 Triumph 660 Trident fork?

The Triumph 660 Trident has a 43 mm fork with 43x55x10.5 oil seals.

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 Triumph 660 Trident.

Triumph 660 Trident Fork Seals

Q: What fork oil does the Triumph 660 Trident use?

The Triumph 660 Trident uses 10wt fork oil (factory fill Showa SS-8 / Kayaba (SAE 10)).

The Triumph 660 Trident runs a 43 mm front fork, oil seal 43x55x10.5.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.