Bike Mob Posted July 1, 2009 Posted July 1, 2009 I will be building a track bike to race and need to get hold of a crank and sprockets and a chain. There seems to be a few different standards ,and BCD's etc 1/8" and 3/32" etc is confusing when you don't know what you need. Are there rules regarding gearing? I think I'll need a 170mm crank. But don't know what size chainring to get... Also I need to make sure the BCD I get is compatible with Locally available chainrings in case I need different sizes. Anyone know what they are talking about here that can help?
BMCfan Posted July 1, 2009 Posted July 1, 2009 PM Chrispy he'll sort you out BTW-when you responding to my invite
slowtwitch Posted July 1, 2009 Posted July 1, 2009 tarmac,I just went through the same process: For track use (as oppose to just fixie riding) get 165mm cranks - you need the clearance on the steeper slopes with the shorter cranks. BCD - 144 is most common although there are different sizing i.e. 135, 130 etc. So be carefull to choose blades to suit your cranks track cogs/ blades are 1/8". So unless you run road blades and a 3/32" cog, rather stick to the standard 1/8" setup. BTW If your chain is 1/8" apparently you can still run 3/32" blades and cogs, but not other way round (just make sure BCD comply to cranks) Also chain line is important - road cranks will place your chain in a different line than a track crank will do, so rather stick to track cranks and rear hubs I found a Sungino crankset + blade at Wiseman in dbn for only R250 on Saterday!!! A very profound statement I got: Track bikes don't have much equipment on it, but what is there is very critical so you don't lose teeth!!!
Bike Mob Posted July 15, 2009 Author Posted July 15, 2009 Ok so this project is now off the ground with the the Hub Track series around the corner I need to get it sorted asap! I have a Specialized Langster S-Works Frame, with Carbon Fork. Pro Disk rear track wheel. Pro RC50 Front Wheel - my road front Truvativ Touro Crank and Shimano BB - Dave Wiseman Specialized Profit Stem 100mm - Take off from my road bike I have some bars... and tape is on it's way... thanks Solomons. Now all I need is a saddle and a chain and rear sprockets... getting those soon!
BMCfan Posted July 15, 2009 Posted July 15, 2009 cant wait to see that baby in real life!! Post some pics in the meantime!!
Marius Posted July 15, 2009 Posted July 15, 2009 I think this is unfair!!! We all have to do the Hub Track race on those Pretty Red bikes
Bike Mob Posted July 15, 2009 Author Posted July 15, 2009 Haha...if you're not fast you have to at least look fast... Plus if you want I can get you a bike just like mine!
BMCfan Posted July 15, 2009 Posted July 15, 2009 Yo tarmac Have you seen the cool specials CWC have on their Prologo Saddles!!! A White/Red one would look so awesome with that bike of yours!!
Marius Posted July 15, 2009 Posted July 15, 2009 oOOOoo, so how much will this Specialized set up cost, all incl???
Bike Mob Posted July 15, 2009 Author Posted July 15, 2009 I'll have the crank tomorrow and the wheels as well...then I can at least stand it up... at the moment it's swinging in the garage... then I will take some pics. Going to get a chain and sprockets tonight...
slowtwitch Posted July 15, 2009 Posted July 15, 2009 Tarmac, ask Wiseman for cogs as well.They go for R15 each, but only 16T and I think 18T available They don't look cheep though
Bike Mob Posted July 15, 2009 Author Posted July 15, 2009 Damn I think I missed the courier for that, but luckily Bridge cycles have a few bits going there tonight to get chain and cogs. Marius i sent pm
Bike Mob Posted July 17, 2009 Author Posted July 17, 2009 Nearly Done... Might change the saddle if I can get a Toupe, and will not race it with a blue tire on!
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