Does pedal strike become an issue when converting to 650b?
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Originally Posted by flammenwurfer
(Post 11158072)
Does pedal strike become an issue when converting to 650b?
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Originally Posted by nlerner
(Post 8481900)
I finally had a chance to test ride and take some pics of my PX-10 650B conversion. It sports Grand Bois Hetre 42mm tires ...
http://lh5.ggpht.com/_GmYBBzTzcVQ/Sb...PX10_650B1.jpg Neal, can you please post a close up of the seat stays ? Thnx. I'm really eager to put those wheels on my bike. I love it with 700c but I wonder if it's going to turn into the fun machine I imagine with smaller wheels/bigger tyres ! Cheers Karl |
I have a Peugeot PX 10 and I converted it to 650B and chose Panaracer Col De La Vie 38 tires.
Runs great under fenders and the ride is like riding on the clouds! |
Originally Posted by Karloman
(Post 11640588)
I want to convert one of my PKN10 and I was wondering if a 38mm tyre wouldn't be too much so I can hardly believe that a 42mm can fit between those stays !
Neal, can you please post a close up of the seat stays ? Thnx. I'm really eager to put those wheels on my bike. I love it with 700c but I wonder if it's going to turn into the fun machine I imagine with smaller wheels/bigger tyres ! Cheers Karl Neal |
I've posted this bicycle before, but I took a couple of new pics of it yesterday. It's a 1978 Raleigh Competition that I picked up in group buy I made this past spring.
http://i229.photobucket.com/albums/e...g?t=1287435751 |
Originally Posted by Noah Scape
(Post 11640998)
I've posted this bicycle before, but I took a couple of new pics of it yesterday. It's a 1978 Raleigh Competition that I picked up in group buy I made this past spring.
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Originally Posted by brockd15
(Post 11641242)
What brakes are you using?
Mafac Racers. |
How big of a jump in size is 650B from 26" MTB diameter? How much smaller from 700C?
Anyone have a photo of the various sizes (with tires mounted) next to each other? Thinking 650B as a substitute for 26" MTB for a Ross Diamond Cruiser refurb. The frame has no canti brake bosses. I was thinking a pair of Mafac Racer centerpulls may clear and reach a 650B wheel. |
650B are 584 diameter, 700 are 622 and 26" mtb are 559.
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Originally Posted by WNG
(Post 11641818)
How big of a jump in size is 650B from 26" MTB diameter? How much smaller from 700C?
Anyone have a photo of the various sizes (with tires mounted) next to each other? |
Thank you. All small details add up.
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So how many successful 27" to 650b conversions have there been? What brakes have been used?
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Tektro 556 long reach brakes are standard and appropriate for a conversion.
If using upright bars, inverse Tektro brake levers are a must! |
Originally Posted by Speed2XS
(Post 11663649)
So how many successful 27" to 650b conversions have there been? What brakes have been used?
http://web.mit.edu/nlerner/Public/Bikes/12PackRack1.jpg Neal |
Thanks guys for the reply's. On a couple of the 27" bikes I have in my possession, the brake reach measures 76mm for a 650b rim. It seems as though there aren't many brake options to make this possible. Everything seems to max at 73-75mm.
nlerner- whats your crank length on the bike you have pictured? |
Originally Posted by nlerner
(Post 11664240)
My St. Etienne was originally made for 27" wheels, and I've been riding it as a 650B porteur for a couple of years now. I've never had an issue with pedal strike. Brakes are franken right now: Dia Compe/Weinmann 750 on the front, and some sort of Shimano sidepull on the rear (though this photo shows just sidepulls).
http://web.mit.edu/nlerner/Public/Bikes/12PackRack1.jpg Neal I'm looking forward to getting my new/old frame to measure. It's looking do-able. Great looking bike. What tires are those? Thanks Oops. Just saw last entry. Well, I'm hoping mine is do-able... sigh. edit: And those fine rims? And that rack. Do they have a rear that looks as good? |
Originally Posted by smurfy
(Post 4519342)
However I have doubts that this thread will be very popular.
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There are brakes from 75 to 90 mm reach available today.
If you need an extra inch or so Sheldon Bown's drop bolt reach could come in handy. |
650B has acquired a safe place in the MTB world.
Sheldon Brown has his classic article about the nuts and bolts of converting a road bike to 650B. The most popular thing about the size is the ride. Once you're hooked, you'll never go back to 700C! |
Originally Posted by NormanF
(Post 11666705)
There are brakes from 75 to 90 mm reach available today.
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Originally Posted by NormanF
(Post 11666711)
The most popular thing about the size is the ride. Once you're hooked, you'll never go back to 700C!
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Through QBP or you can have your LBS source your brakes to make a 650B conversion possible.
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Many road bikes in 700C won't take wider tires and they don't even have room to install good fenders.
All that changes when you go to 650B. |
Originally Posted by NormanF
(Post 11668396)
Through QBP or you can have your LBS source your brakes to make a 650B conversion possible.
Many road bikes in 700C won't take wider tires and they don't even have room to install good fenders. All that changes when you go to 650B. |
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