Technical & Reference Section > Tech and Restoration

401 flights.....repro techmatic bb

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deeman:
Here's the pics dude.Can anyone help this man? :daumenhoch:

boofy44:
i've got one of those repro techmatics as well.the threads need a tap running through
as whoever made them didn't do a very accurate job.luckily i had a spare bit of a tioga
sealed BB that fitted.

McQUEEN:
thanks - i was thinking the threads were tight. I don't have another thread, so might find an engineering shop who might have some taps/dies. Did find some on the bay but at £20 a shot...........

re deeman's rl20 build, I bought my ff in July from Si in Essex. Here's the frame and forks


http://s1275.beta.photobucket.com/user/mrocco17/media/IMG-20120730-00620_zps9d0e329d.jpg.html'sort=3&o=21

I'm building to suit the parts list as scheduled in Freestylin' magazine, again, as this breakdown, except I'll be using the flights, black white Oakley b1b's, mks graflight pedals, dia compe 880fs, and forklifter bars (straight cross bar). Ive got all the parts less a black headset (the hatta mx2 are too pricely, might go tange mx2) and chain (easily pick up an izumi in chrome). I'm in the process of getting the bars and seat post p/coated white so overall it will be whited out, just like so many of the bikes at that time.

http://s1275.beta.photobucket.com/user/mrocco17/media/1984RedlineRL-20Pro-styler2_zpse4925ab4.jpg.html'sort=3&o=0

Ive never liked the Prostyler as the advert - I think Redline rushed it to keep upo with the 'new' freestyle market at the time.

Re the bubblefont chainwheel, I have one of these, but might use the one in the picture with the crank arms as the writing matches the Redline typeface on the frame and forks and is the 84 era - not sure of time line, but the bubblefont looks good when the bikes older, around 82?

still working on uploading images..............

deeman:
Nice one Marc,sounds like it will be a lovely bike when built.I am not a fan of the 84 ad bike either- bit too burner like with those v bars.I was loosely working to the same pic as you!but alas,my frame was not a proper prostyler it was a later one stickered to look like the old one,and i didn't have and couldn't find the right forks. :daumenhoch:

McQUEEN:
had a result.the bearing adaptor on the chain side has gone on with lots of quarter turn forward, half turn back action with some cutting oil. Cant ge tthe other side at all though...does anyone know the thread size? I think, from other threads, that its 19mm left hand 28tpi? I want to find a tap and recut?

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