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Fitting Your Bike Are you confused about how you should fit a bike to your particular body dimensions? Have you been reading, found the terms Merxx or French Fit, and don’t know what you need? Every style of riding is different- in how you fit the bike to you, and the sizing of the bike itself. It’s more than just measuring your height, reach and inseam. With the help of Bike Fitting, you’ll be able to find the right fit for your frame size, style of riding, and your particular dimensions. Here ya’ go…..the location for everything fit related.

Large frame

Old 10-10-21, 10:33 AM
  #1  
Mikealwa
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Large frame

Without knowing I've probably been riding frames "too large" for me. In quotes because I feel comfortable and fast. I've modernized some vintage road bike frames with new components and now bought a very cheap look kg486 from a pawnshop on ebay haha without knowing the size.

I'm 5'10" and it seems to be a 58cm maybe 59cm as far as I can tell. I can stand over flat footed but only with some parts to the side ha. I know a smaller frame is ideal, but if through stem, crank arm length and seat adjustments I can get comfortable...does it even matter? I bought the bike in an attempt to better some hill climb times I've been focusing on on Strava haha.
In the end I'm asking if I'm comfy is it a big deal. Handling may be different or not ideal for uphill sprints but we'll see when I give a few a go.
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Old 10-10-21, 10:43 AM
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Yep... But the ting is you are ridding... That's what is important. This winter when ya get stuck in the house you can switch out components with a smaller frame. Till then... RIDE THAT HORSE... Ha
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Old 10-13-21, 09:15 AM
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If you can't be bothered with professional fitting, perhaps what only matters is standover height and toe strike.

Frame size isn't absolute. I'm riding with frame that is two sizes smaller and feel great with it. Ironically, the same bike with the same setup now feels too big after my accident this year despite my body measurements still the same.

I've already switched to shorter stem and adjusted the seat for smaller sized cockpit and it feels right as rain once more.

A bigger, oversized frame is going to be more stable (which can make it safer to ride). A smaller frame will have slightly less weight (not a big deal), less stiff which can improve riding comfort but more nimble which can be an advantage in tight situations but less stable in high speed descents.
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Old 10-13-21, 09:30 AM
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Mikealwa
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Thanks

Ha thanks for the input, it's been causing me a headache and I can barely sit on it. I didn't want to spend more money, but I found the same frame in a 55cm which should work great. This was a 59cm. I'm learning a lot of lessons and having patience, doing research and being cheap up front costing money in the long run are some of em! I thought I learned these lessons when I bought my old bmw 🥲. Slow learner. Thanks!
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Old 10-13-21, 09:00 PM
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AnthonyG
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There was a time, long ago before "standover clearance" was "INVENTED", that everyone rode bikes like that.
I mean, are you riding the bike or standing over it?
If your comfortable riding the bike then the bike is a good fit.
At some point, standover clearance, was invented as a quick and dirty way to size people for bikes in a bike shop. If you like to have standover clearance then good for you yet the idea that its the most important measure of a bikes fit is utterly preposterous.
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Old 10-13-21, 09:10 PM
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Mikealwa
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I agree and that was my thinking, but to make this work I needed to find an exceptionally low stack saddle, low stack seatpost, use 165 crank arms and have 0 adjustability. This frame has an extended seatpost tube well above the top tube so the lowest you can put the seat is higher up than on traditional vintage road frames of the same size I was used to riding. Thanks for the input and I agree, stand over isn't important unless mountain biking maybe with a high chance of bouncing off.
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Old 10-13-21, 09:24 PM
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Just be sure your saddle isn't too high. I wonder if the seat tube could be cut down. You could ask a bike shop. It'd depend on the type of seat tube clamp. The carbon end grain of course would need to be epoxy coated, no biggie.
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Old 10-13-21, 09:36 PM
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Originally Posted by Carbonfiberboy View Post
Just be sure your saddle isn't too high. I wonder if the seat tube could be cut down. You could ask a bike shop. It'd depend on the type of seat tube clamp. The carbon end grain of course would need to be epoxy coated, no biggie.
I mean there's an extension of the seat tube that's integrated into the frame which effectively measures like 65cm from bb to top of seat tube, so I'd have to cut the frame ha. Sorry I wasn't clear. I may have confused seat post and tube.
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