Avon – Avon Other Tires, including the Roadrider MKII front 120/70V17 and rear 140/70-17, the dual-sport oriented Trailrider AV54 in 120/90-17, and a specialty Cobra Chrome AV92 200/30R23. This is the catch-all group for the Avon fitments that sit outside the main model families, and it is often the most useful page for owners of older or unusual machines. The Roadrider MKII is a modern-compound tire cut with a classic tread pattern, which makes it a favourite for retro standards, cafe builds and air-cooled twins that need contemporary wet grip without a modern radial look. The Trailrider AV54 leans the other way, offering a blockier pattern for riders splitting time between pavement and gravel. The oversized 200/30R23 covers extreme big-wheel custom front ends. Whatever the application, the same engineering priorities apply: even wear, stable steering, quick warm-up and a contact patch that stays predictable when the road turns damp or broken. Because this group is small and shifts as fitments come and go, it is worth checking here first when a size cannot be found in the main Cobra Chrome, Spirit ST or Streetrunner listings.