Bicycle Mechanics - f&r v brakes

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bikegeekmn
05-19-09, 02:26 PM
i know when purchasing v brakes there is the designation for front and rear but what is the diffence?is it because the wheel travels in different directions , if i ran fronts on the rear what would happen -will shimano take away my birthday?

desertdork
05-19-09, 02:41 PM
Just make sure the pads are oriented in the right direction (probably the only difference) and the pipe has an appropriate angle.
z415
05-19-09, 07:55 PM
Differences are pad orientations and noodle angles.

Mondoman
05-20-09, 12:22 AM
Are noodle angles different? I figured both would be standard 90 degrees.
z415
05-20-09, 09:57 AM
Mine were different when I bought F&R Avid v-brakes. They are also offered in a variety of angles from small parts places such a bikeparts.com and aebike.com. From my experience, the front takes 90 or more and the rear takes 90 or less - though I suppose that also may depend on bike frame sizes.
Mondoman
05-20-09, 02:28 PM
OK, makes sense for cable routing.
z415
05-20-09, 05:42 PM
Yea, I figured it out when I put a too small angled noodle to the F v-brake and over time it snapped the housing due to the relatively extreme angles.
Panthers007
05-20-09, 05:54 PM
My rear brake-cable is to the left (non-drive side) of the seatpost. So my rear v-brake has the noodle installed to the left on the brake. I could reverse it, but it would need to go over rear-derailleur cable and crowd the front on as well.