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View Poll Results: Which geometry? | |||
Top | 11 | 40.74% | |
Bottom | 16 | 59.26% | |
Voters: 27. You may not vote on this poll |
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#1
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Another option for you could be to use a boost (148x12) rear hub.
I dont know how much that really the other factors of the design, but it would allow you to push the chainring/chainline out 3mm and give you more clearance. Your wheelset would be an oddball @ 100/148 instead of 100/142, so you'd either have a pain upgrading or selling down the road, but its an option. |
#2
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Thanks mate! I will hit you up if I get a chance to go up that way this summer, definitely want to do some riding up that way for sure. Happy to chat/bounce ideas abt your build as well. I often find myself going in circle when thinking abt my build on my own so trying to bounce it off people here has been very helpful For a question I asked earlier in the thread, are you planning on T47 or BSA for your build? Quote:
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#3
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#4
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#5
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Its not quick swap, but, it also doesnt turn your wheelset into a paperweight if you upgrade either. |
#6
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That's a nifty trick. I haven't read up much on boost frame so will definitely read more into it to see if it makes sense here for me. Thanks so much for your insight.
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#7
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I’m in the pretty much the exact same boat as you with a custom build and I’m deliberating over the HT angle/fork rake and resulting trail. I feel your pain and understand you just want to get it right first time.
One would like to think that if you have had a conversation with the frame builder and given them a clear brief of what you want the bike to do then really they should be able to advise what will/wont work for your case use. I’m assuming you’re talking Firefly/Seven/Bingham/Desalvo etc then I think you can rest assured they’ll do their job and nail the brief. IMO I’d opt for the T47 bb shell. You can still fit a 24mm spindle crankset if needs be. |
#8
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Is there a particular reason why you favor T47? Most of the resources I have come across only mentioned the advantages of T47 when it comes to a carbon frame or Ti frame with full internal routing (for me hydraulic cable is routed outside of BB) |
#9
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The other benefit is flexibility - you can use everything from Shimano spindles to 30mm spindles. And retain a decent size bearing while you do it. Does that actually matter in practice? Not really.
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#10
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A few things - builders like them because it gives more surface at the BB to weld tubes to, making fabrication a little easier. They've become pretty commonplace on new bikes, so if/when you need a new one, it wont be hard to find say, a dub crank T47 BB. And long term, they're as future proof as you'll find for different cranks/groups.
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#11
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This ⬆️ |
#12
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Of course, it's probably a gamble either way given one cannot predict the future. I just wish that there was just one standard for BB to make life easier for everyone |
#13
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If your builder is comfortable with BSA, its not like its going away. I wish I had done BSA (instead of T47) on my custom road, it looks a little clunky with steel tubes. |
#14
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If those elbows are too pointy for you, you can drop the bike off at my place any time.
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#15
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