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Motorized Bicycle General Discussion All topics regarding bicycles with engines.

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  #3521  
Old 04-17-2012, 06:59 PM
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Skarrd Skarrd is offline
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Default Re: what did you do to your motor bike today?

had my rear tire blow the tube :< so i had to order a new tube and figured i'd also order a bb7 caliper for up front.


put the caliper on and found i need to shim it so it will stop hitting the rotor as it turns (got an avid 185mm roundagon disc, it's hitting the peaks on the rotor)
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Traditional bicycle riders think we're cheaters. Non riders think our bikes are toys. Bicycle shops think we're a threat. Tree huggers think we're polluters. The police don't know what to think.
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  #3522  
Old 04-18-2012, 01:53 AM
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anim8r anim8r is offline
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Default Re: what did you do to your motor bike today?

took the front derailleur off my mtb to make the motor sit lower, giving me the room to install the throttle cable. Who needs a front derailleur, anyway?
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  #3523  
Old 04-18-2012, 08:39 AM
Scootmeister Scootmeister is offline
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Default Re: what did you do to your motor bike today?

Hey Skaard, had the same problem on my BB7. I tried going to a round rotor, but the diameter is the same as the high points on your rotor, so it didn't help. The best fix is to use another small spacer in the top frame of the caliper to move it a mm or so higher (away from the rotor). You probably know already that Avid sells these or you can simply use metric washers and stack as needed. Another tip, if you have a standard sized rotor you can get an adapter that extends the caliper mount either 20mm or 40mm to allow the use of a 203mm rotor which really adds stopping power.
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  #3524  
Old 04-18-2012, 04:06 PM
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Skarrd Skarrd is offline
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Default Re: what did you do to your motor bike today?

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Originally Posted by Scootmeister View Post
Hey Skaard, had the same problem on my BB7. I tried going to a round rotor, but the diameter is the same as the high points on your rotor, so it didn't help. The best fix is to use another small spacer in the top frame of the caliper to move it a mm or so higher (away from the rotor). You probably know already that Avid sells these or you can simply use metric washers and stack as needed. Another tip, if you have a standard sized rotor you can get an adapter that extends the caliper mount either 20mm or 40mm to allow the use of a 203mm rotor which really adds stopping power.
yeah i'm planning on eventually getting a 203mm disc someday. had a few washers laying around so i tossed one on each bolt and it spaced it perfectly.

185 + bb7 = amazing stopping power! can't wait to run a 203 front and 160 back.
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Quote:
Originally Posted by biknut View Post
Traditional bicycle riders think we're cheaters. Non riders think our bikes are toys. Bicycle shops think we're a threat. Tree huggers think we're polluters. The police don't know what to think.
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  #3525  
Old 04-18-2012, 06:19 PM
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killercanuck killercanuck is offline
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Default Re: what did you do to your motor bike today?

Better to have too much stopping power than to little, eh? You guys with huge discs be careful not to bolt yourselves over the bars in an "incident", its better just to lay the bike down than to smack into whatever head on...

So I got one of These on monday. I was thinking it had a build in brake-switch, but no. Its a built in kill switch, plus it accepts your throttle handle, and is a dual pull brake. I was surprised it accepted the handle too, I was getting worried about space left on my bars. But it totally replaces the 'stock' kill switch 'enclosure' with its own metal design. The shipping was kinda brutal to Ontario, but I had to have one! Love it so far!
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  #3526  
Old 04-18-2012, 06:30 PM
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Goat Herder Goat Herder is offline
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Default Re: what did you do to your motor bike today?

Hey Killer that looks nice! I know what you mean about the disk brakes I run the 203mm and love it! If I let someone take a ride it is always forewarned not to hit them hard and they always come back surprised.

I have got totally spoiled with them. Going over sized makes a difference as encountering fade from a high speed immediate stop is very graceful.
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  #3527  
Old 04-18-2012, 06:36 PM
bodtech bodtech is offline
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Default Re: what did you do to your motor bike today?

I hate when that happens
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  #3528  
Old 04-18-2012, 07:27 PM
Scootmeister Scootmeister is offline
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Default Re: what did you do to your motor bike today?

Hey Goat, I like the long handle. When you're yanking on two calipers you need a little extra leverage. My cheepo dual has a short lever. Does having a single point of failure ever bother you?
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  #3529  
Old 04-18-2012, 07:40 PM
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killercanuck killercanuck is offline
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Default Re: what did you do to your motor bike today?

It is a solid unit Scooty, not pot-metal carp some handles are. Your throttle handle fits right in it. The built in kill switch saves room on the bars. etc...

I could only imagine 203's Goat/Skarrd, I've only got 160's and I'm sure I could do a stoppie if I wanted to. The 203's must be nuts!
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  #3530  
Old 04-18-2012, 07:46 PM
Scootmeister Scootmeister is offline
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Default Re: what did you do to your motor bike today?

Gotta have one. Thanks for pointing it out.
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