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3/13/2016 1:52 AM

I need a replacement 3/8th front axle bolt. My bike doesn't have spares that are specifically made for it. (2011 wtp volta)
Would the BSD female hub bolt kit work? if not what ones should/will work?
Any reply's/help is appreciated, thanks! (:


3/13/2016 3:00 AM

That's always a risk one . It SHOULD work as BSD is fairly standard but I know my Premium ones did NOT work on other hubs . Go on Dans and compare the technical specs , it should say bolt sizing and shit . If you're not gonna use a ton of money then go for it but if they cost more than a penny or two email BSD and check . Some threadings are different . Someone might reply and know more , but more bolts never hurt anyone .


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3/13/2016 3:17 AM

It's probably 10mm, not 3/8th's, there's different pitch sizes for 3/8th (16 tpi is pretty standard on bikes). There's also different pitch threads on 10mm but a standard 10mm bolt should work as anything else is pretty specialist.

Take a bolt to a hardware store and ask them to match it up. They'll have a bolt that will be fine for the time being.
I just bought some button head 3/8th bolts off ebay for my profiles. They work a treat and cost nothing compared to buying the profile ones


3/13/2016 3:41 AM

grumpySteve wrote:

It's probably 10mm, not 3/8th's, there's different pitch sizes for 3/8th (16 tpi is pretty standard on bikes). There's also ...more

Yeah i get a bit confused with bolts they say 10mm but it also says it will fit 3/8th hubs?
I might go to my local bike shop and ask before i buy some ( my bike shop doesnt stock female axle bolts for some reason -_- )
And those bolts you bourt where they the exact length as you're old bolts? or a bit shorter?
thanks for the reply!


3/13/2016 5:01 AM

I got them a bit shorter as I don't run pegs. Try a hardware store, even if it's just so you know what size it is and the thread pitch. If they've got bolts that fit they'd do until you get some other ones. My only concern would be what they're made me/if they'd be strong enough if I was running pegs


3/13/2016 12:09 PM

10mm and 3/8" is the same on a bicycle - it may not be the exact same measurement but on bikes it is used interchangeably.

You should look for a 3/8 or 10 mm bolt with a 24tpi thread pitch. The only hubs I've come across that don't use this size so far are Animal and Profile. If it's a hub from a complete bike, you're pretty safe assuming it's 24tpi.

It looks like the BSD bolt kit you mentioned is your best bet without knowing 100%.


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3/14/2016 1:23 PM

Hardware store. Take the other bolt OR the hub and find one that threads in ALL THE WAY.


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3/15/2016 10:27 PM

Yeah, most front 3/8 female axle bolts and nuts are 24 TPI (threads per inch). Just make sure you find the right length, if you're going to go for a replacement one from the hardware store. And if you go with that route, make sure you find the bolt that is threaded at least 75% of the way or the whole bolt. And last but not least, MAKE SURE THE HARDWARE IS GRADE 8 or you will end up stripping, breaking, snapping something guaranteed, as lower grade hardware isn't for riding.


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