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B5234FT |
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B5234FT Brolly Dolly
Joined: 28 Sep 2009 Karma :
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stinkwheel |
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stinkwheel Bovine Proctologist
Joined: 12 Jul 2004 Karma :
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Posted: 12:40 - 18 Apr 2017 Post subject: |
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BT45 all day long.
It's bias belted.
Handling gets screwey with anything else I ever tried on them. The BT45 is enough tyre for the bike, you'll be dragging the belly pan before you run out of grip.
The front will get a tad vague feeling after about 50 miles then settle down after another 50. If it starts tracking along linear road defects, it's time to replace the front, even if it's still a bit off the wear bars. ____________________ “Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles. |
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Rogerborg |
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Rogerborg nimbA
Joined: 26 Oct 2010 Karma :
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Posted: 12:44 - 18 Apr 2017 Post subject: Re: Commuting tyre for GPZ500S 110 and 130/70/17 |
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B5234FT wrote: | So I have a GPZ which gets used for commuting and it came with some continental supermoto tyre on the back which squared off in about 15 mins. |
Yeah, soz, m8, it was past wine o'clock when I ordered that. I was like "No, don't order the SM, don't order the... something." then I had to just make the best of it.
[Checks map]
Wait a... are you riding my ex-bike? Continental ContiTwist Sport SM 130/70-17? 2002 model, twin discs, fairing infill panels? ____________________ Biking is 1/20th as dangerous as horse riding.
GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike
Last edited by Rogerborg on 12:45 - 18 Apr 2017; edited 1 time in total |
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B5234FT |
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B5234FT Brolly Dolly
Joined: 28 Sep 2009 Karma :
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Rogerborg |
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Rogerborg nimbA
Joined: 26 Oct 2010 Karma :
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Posted: 12:50 - 18 Apr 2017 Post subject: |
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Huh, no, mine was BU02. Same year, same tyre, same vicinity. I guess some other penny chiselling bugger also picked the cheapest rubber on Oponeo just in order to punt the bike on with a fresh tyre. The thing was profiled like a chisel, I kept feeling it was going to tip over when I was riding it to its new owner. ____________________ Biking is 1/20th as dangerous as horse riding.
GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike |
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B5234FT |
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B5234FT Brolly Dolly
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B5234FT |
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B5234FT Brolly Dolly
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mkjackary |
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mkjackary Nitrous Nuisance
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B5234FT |
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B5234FT Brolly Dolly
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mkjackary |
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mkjackary Nitrous Nuisance
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B5234FT |
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B5234FT Brolly Dolly
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Rogerborg |
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Rogerborg nimbA
Joined: 26 Oct 2010 Karma :
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Posted: 15:31 - 18 Apr 2017 Post subject: |
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I don't imagine stinkwheel does much straight-line commuting on his GPZs. He probably sharpens the tyres rather than squaring them. ____________________ Biking is 1/20th as dangerous as horse riding.
GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike |
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stinkwheel |
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stinkwheel Bovine Proctologist
Joined: 12 Jul 2004 Karma :
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Posted: 15:42 - 18 Apr 2017 Post subject: |
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The BT45 is a dual compound, bias belted tyre. It should be as immune to squaring as anything else.
They square off because it's a commuter bike being used for commuting.
I rode GPZ500s for many years. Both 16 and 17" wheel models. I tried pirelli MT75s on (which were a firm favourite of nearly everyone at the time for medium sized bikes) and contis. Both made the handling pretty shonky.
The consensus in the GPZ owners club at the time was to just fit BT45s and have done with it. ____________________ “Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles. |
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B5234FT |
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B5234FT Brolly Dolly
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B5234FT |
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B5234FT Brolly Dolly
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331X2 |
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331X2 Crazy Courier
Joined: 10 Jul 2013 Karma :
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Posted: 18:41 - 18 Apr 2017 Post subject: |
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The one I just sold had BT45's on when I bought it which were squared quite badly although the bike had been a commuter/2 up bike for a long time. Rode it to the edge of the tyres/hero blobs on the pegs and never felt like it was going to wash out, just felt a bit strange when transitioning from the flat part in the middle
Eta: They are as much tyre as the bike needs and have the added benefit of lasting for stupid amounts of miles, you can't really go wrong. |
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rhys99 |
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rhys99 Scooby Slapper
Joined: 24 Feb 2015 Karma :
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B5234FT |
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B5234FT Brolly Dolly
Joined: 28 Sep 2009 Karma :
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Posted: 16:30 - 19 Apr 2017 Post subject: |
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Ok, so today I become 'that guy' - the guy who comes on a forum, asks for advice and then completely ignores it.
I've just ordered a pair or Michelin Pilot Street tyres to be fitted tomorrow morning for £161 fitted.
https://www.cbr300forum.com/forum/wheels-tires-suspension/761-michelin-pilot-street-radial-tires.html
I just couldnt bring myself to spend £20 more on some tyres designed 15 years ago, even knowing they would have been 'fine'
It'll be interesting to see what they're like!
Thanks for the advice and I hope this thread proves useful to someone.
Cheers |
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ThatDippyTwat |
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ThatDippyTwat World Chat Champion
Joined: 07 Aug 2016 Karma :
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redeem ouzzer |
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redeem ouzzer World Chat Champion
Joined: 06 Oct 2015 Karma :
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pompousporcup... |
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pompousporcup... World Chat Champion
Joined: 15 Apr 2015 Karma :
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Posted: 11:42 - 21 Apr 2017 Post subject: |
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your alternative would have been Pirelli sport demons, if you can find them in the right size.
easily on par with the b45s (i have had both back to back twice). unfortunately the mileage from the sport demons was pretty low due to the softer compound.
still, as others have said, you'l run out of the bikes ability before you run out of tyre.. theortically |
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tsmith |
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tsmith Traffic Copper
Joined: 15 Apr 2005 Karma :
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Posted: 00:56 - 22 Apr 2017 Post subject: |
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I've also got the Michelin pilot street radials on my EX500E10. I went with a 110/70-17 front and a 140/70-17 rear. I also upgraded to a Hagon rear shock and Hagon progressive fork springs to really take advantage of them.
The limiting factor then becomes the frame, but that can be fixed with gussetting and solid motor mounts.
https://brg-racing.myshopify.com/collections/motorcycles/products/ex500motormounts
Amazing how quickly the old GPZ500s can corner with these mods fitted |
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Rogerborg |
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Rogerborg nimbA
Joined: 26 Oct 2010 Karma :
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Posted: 07:51 - 22 Apr 2017 Post subject: |
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OP asks about tyres for commuting, is recommended new engine mounts to decrease lap times.
Never stop being BCF. ____________________ Biking is 1/20th as dangerous as horse riding.
GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike |
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rgx107 |
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rgx107 L Plate Warrior
Joined: 16 Oct 2016 Karma :
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stevo as b4 |
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stevo as b4 World Chat Champion
Joined: 17 Jul 2003 Karma :
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Posted: 10:35 - 23 Apr 2017 Post subject: |
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Not quite a true BCF thread yet though, as commuting has been mentioned and yet no one has suggested a legendary commuter bike that sounds like a very hot sword? |
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Old Thread Alert!
The last post was made 7 years, 4 days ago. Instead of replying here, would creating a new thread be more useful? |
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