General Category > General Discussion
WHY BIAS TIRES
mechanicsavant:
The single best improvement I made to both of my small blocks (V7II & Centanario) was upgrade to radials . I suspect OEM bias tires are a cost saving measure .
Kev m:
I'm with TwoWhA - I generally run the type (though not always the same brand/model) that came from the factory.
The bias-ply's handled well enough for a track day and I've always found them to wear better than radials in the same size/application.
So no need to fix what isn't broken in my case.
SportsterDoc:
Another answer to why:
https://www.dunlopmotorcycletires.com/about/bias-vs-radial-motorcycle-tires/
The stock Dunlop ArrowMax100/90-18 front and 150/70-17 rear, inflated to 38 PSI, handle well for me and the rear may go close to 10,000 miles
And Dunlop, unlike Perelli and Metzeler, who are owned by ChemChina, a division of Sinochem, are not a Chinese government owned company.
Nothing against the Chinese people and I enjoy Chinese food, but I avoid supporting a communist government.
SportsterDoc:
--- Quote from: Moparnut72 on January 07, 2024, 09:21:17 PM ---My V7lll has a bias front and a radial rear as did my Triumph T120. I put radials on the Triumph front and rear. Big improvement. I will do the same with the Guzzi after current tires are worn out. I mainly ride it in town so no rush but I find the bias tires on the front follow grooves and edges badly, radials not so much or not at all.
kk
--- End quote ---
Mixed bias and radial on my 2022 Bonneville Street Twin, also.
I've found following rain grooves (quite disconcerting) to be mainly an issue with a front tire close to the old rib treads of the sixties and seventies.
SportsterDoc:
When I went to scrambler tires on my 2022 Triumph Street Twin (bias front, radial rear), the Michelin Anakee Adventure tires were radial front and rear.
The only difference I recall noticing was better traction climbing back to asphalt from a rocky shoulder.
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