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new bike tyres advice
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You can measure the clearance easily enough, put 1.5 on and see how much space you have at the narrowest point. Frames don't often change a huge amount in between years so 1.75 will probably work but maybe worth going to a bike shop and asking them to see
I reckon the Marathon GT would be fine if sticking with 1.5 or go for the Marathon Plus and run 1.35
This may seem like a stupid question but -- do you mean the narrowest point to the sides of the tyre to the frame of the bike? Or above the tyre to the frame?0 -
wallofbeans wrote: »This may seem like a stupid question but -- do you mean the narrowest point to the sides of the tyre to the frame of the bike? Or above the tyre to the frame?
Basically you need to measure the gap between the sides of the tyre wall and the frame (particularly the seat stays and chain stays) and see how much clearance you have between the tyre and the frame. The tyre height doesn't really vary between tyre widths, it's a little higher but not massively so the gap to the seat tube won't matter as much. If your tyre has say 1" either side then a 1.5-1.75 should be ok, if it's 1/2" then you'd potentially struggle if the wheel is a bit out of alignmentSam Vimes' Boots Theory of Socioeconomic Unfairness:
People are rich because they spend less money. A poor man buys $10 boots that last a season or two before he's walking in wet shoes and has to buy another pair. A rich man buys $50 boots that are made better and give him 10 years of dry feet. The poor man has spent $100 over those 10 years and still has wet feet.
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Basically you need to measure the gap between the sides of the tyre wall and the frame (particularly the seat stays and chain stays) and see how much clearance you have between the tyre and the frame. The tyre height doesn't really vary between tyre widths, it's a little higher but not massively so the gap to the seat tube won't matter as much. If your tyre has say 1" either side then a 1.5-1.75 should be ok, if it's 1/2" then you'd potentially struggle if the wheel is a bit out of alignment
Roughly speaking, it's just over half an inch gap on at the smallest point on the back (1.35) tyre, and just under half an inch gap on the smallest point of the front (1.50) tyre. Not helpful...0 -
So in theory 1.5 front and back is the maximum you'd want to run on this which leads me to suggest 1.35 with Schwalbe Marathon Plus to give you extra clearance should anything like mud or snow get in there
Sam Vimes' Boots Theory of Socioeconomic Unfairness:
People are rich because they spend less money. A poor man buys $10 boots that last a season or two before he's walking in wet shoes and has to buy another pair. A rich man buys $50 boots that are made better and give him 10 years of dry feet. The poor man has spent $100 over those 10 years and still has wet feet.
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So in theory 1.5 front and back is the maximum you'd want to run on this which leads me to suggest 1.35 with Schwalbe Marathon Plus to give you extra clearance should anything like mud or snow get in there
That sounds like the smartest idea. It's a shame that the Marathon Plus tyres don't come in the 1.50.. but I guess this does show that my local bike shop have a good idea what they are doing!
Here's a pic of the current back wheel for reference:
https://imgur.com/a/EQOWv1i0 -
That looks like you have loads of space to run a 1.5 but maybe ask the bike shop to double check (they can always fit the tyre and see before you buy)
Sam Vimes' Boots Theory of Socioeconomic Unfairness:
People are rich because they spend less money. A poor man buys $10 boots that last a season or two before he's walking in wet shoes and has to buy another pair. A rich man buys $50 boots that are made better and give him 10 years of dry feet. The poor man has spent $100 over those 10 years and still has wet feet.
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That looks like you have loads of space to run a 1.5 but maybe ask the bike shop to double check (they can always fit the tyre and see before you buy)
I can definitely have 1.5 (the original tyres it came with were that size) but it's whether 1.75 will work that I'm not so sure about...0 -
Ah yeah, take it to the bike shop and let them measure it up rather than buying them, hopefully they will have some spares. Marathon GT with the 1.5 should be fine or 1.35 with the Plus
Sam Vimes' Boots Theory of Socioeconomic Unfairness:
People are rich because they spend less money. A poor man buys $10 boots that last a season or two before he's walking in wet shoes and has to buy another pair. A rich man buys $50 boots that are made better and give him 10 years of dry feet. The poor man has spent $100 over those 10 years and still has wet feet.
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