Tire clearance on the Cali ev |
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cugsy
Senior Member Joined: 30 Nov 2016 Location: norfolk Status: Offline Points: 958 |
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Posted: 04 Jan 2018 at 14:05 |
Whats our clearance Clarence? I meant to find out myself about the lack of clearance on the rear tire but there's not a lot of info on 't web. So, I fitted the Avon AM26 roadriders (140/80/17 rear) and after riding it the other day for 50 miles in the damp I never felt worried. But...there's always a but, there is only about 2 mm clearance on the right hand side swing arm. There isn't any black rubber sprayed over the bike and I don't see any rubbing on the tire itself. So, should I stop worrying and accept it as a guzzi quirk? The bike is likely to only have my fat arse and some luggage so not too loaded. But, why so much room on the left? john
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Due to italian electrickery I am saying nowt. Despite nearly giving the Vstrom away the honda has gone...
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nab301
Senior Member Joined: 29 Oct 2017 Location: Dublin Ireland Status: Offline Points: 443 |
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While I can't help you on the Guzzi query , Tyres definitely grow at speed. Radials by very little, but still mm's, and x ply tyres / bias belted tyres by much more according to the Conti web site .
I guess that sort of growth is in the vertical plane but I'd direct the question at Avon technical just to be sure...
Quoted from the above website In terms of riding dynamics, modern motorcycles are geared to radial tyres. As an example, a 4.00 – 18 64H TL ContiGo tyre “grows” by approximately 20mm at a constant speed of 210 km/h (130 mph), whereas a comparable radial tyre only expands by a few millimetres. The radial tyre can be recognised by the R in the designation on the outside of the tyre. Example: 120/70 ZR 17 (58W) TL ContiRoadAttack 2 |
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Nigel
Keep smiling , it makes people wonder what you've been up to! '19 CB125F, '18 DL250 SUZUKI V STROM,'99 Bmw R1100S, '03Bullet 65 500, '93 MZ301 Saxon fun (offroad) |
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Dukedesmo
Senior Member Joined: 17 Apr 2015 Location: Leics Status: Online Points: 856 |
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I would think any speed growth would be in height therefore probably shrinking in width?
When I replaced the rear tyre on my LM2 I looked at the possibility of fitting a 120 rather than a 110 (but didn't due to advice given here), it would/should have fit as long as the measurements are true or at least comparable to the 110 (i.e. 10mm wider) and it is the right (driveshaft) side that is the limiting factor, but different manufacturers make the same size tyre wider or narrower than others and it's quite likely different batches from the same manufacturer vary slightly so you have to allow for this. I have certainly seen considerable width variations on 180 width tyres, dependant on the brand.
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Le Mans 2
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Brian UK
Moderator Group Joined: 13 May 2014 Location: Surrey Status: Offline Points: 17641 |
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Tyres have always been a tight fit on the RHS due to the alignment of the driveshaft.
As said, different brands have slightly different widths, and this has ben discussed before at some length. If there is no evidence of the tyre rubbing the drive shaft tube, then forget about it.
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Brian.
Better 5 minutes late in this world than years early in the next. |
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theoneandonly
Senior Member Joined: 24 Jul 2014 Location: london Status: Offline Points: 661 |
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there are 2 tyres at 140x17 , 1 for a cali the other for bmw one has ( 69 ) the other has 69?
i'm pretty sure you need the (69) , check with a tyre shop , to be sure . correction . 140/80 B17 M/C 69V TL ( not vb ) lifted from my tyre suppliers page
Edited by theoneandonly - 04 Jan 2018 at 22:00 |
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Argyll Goose
Senior Member Joined: 04 Aug 2015 Location: Garelochhead Status: Offline Points: 229 |
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I replaced both tyres (tires guys) last spring on my '96 Cali' 1100i. Due to the clearance of the old rear tyre to the shaft, which was so small I measured it with feeler gauge, I decided to stick with the same tyre - Metzeler Lasertec 140/80/vb 17. Have never had a problem with contact on the shaft at all speeds/temperatures etc.
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cugsy
Senior Member Joined: 30 Nov 2016 Location: norfolk Status: Offline Points: 958 |
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Avon AM26 Roadrider 140/80-17 69V TL Rear is what I got on the Cali. I'll keep an eye on the rear...oo er..
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Due to italian electrickery I am saying nowt. Despite nearly giving the Vstrom away the honda has gone...
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