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DB34 wheel rims #443118
07/04/12 11:17 am
07/04/12 11:17 am
Joined: Aug 2011
Posts: 19
new hampshire
J
JSK Offline OP
BritBike Forum member
JSK  Offline OP
BritBike Forum member
J

Joined: Aug 2011
Posts: 19
new hampshire
Hi,

I have two spokeless WM 19-2 rims for my DB34 and am trying to figure out which is front and which is rear. The hole spacings are about 2.70 in. on both sides of one rim and 2.95 in. on both sides of the other. Also is the rear wheel supposed to be dished ?

Thanks for your help,
Steve

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Re: DB34 wheel rims [Re: JSK] #443182
07/04/12 6:59 pm
07/04/12 6:59 pm
Joined: Sep 2001
Posts: 2,799
Comox BC Canada
G
Gordo in Comox Offline
BritBike Forum member
Gordo in Comox  Offline
BritBike Forum member
G

Joined: Sep 2001
Posts: 2,799
Comox BC Canada
Steve: You did not mention which front brake you are using.

This photo shows a rim for an 8 inch front brake (top) and a crinkle hub (lower).



This the pattern on the eight inch front.



This the pattern on a rear.



The secret I think is that the rear wheel spokes do not cross over to the other side. The left holes go to the left side of the hub and the right holes lead to the right side of the hub. On the front there is a lot of cross over and sharper angles for some of the spokes. If you stick a nipple and spoke into a hole and push it in you will see where it wants to point.

If you look at this rear pattern you will see how close side pair up and are parallel.



Without frequent roadside repairs there is no fun in riding!
Re: DB34 wheel rims [Re: Gordo in Comox] #443461
07/06/12 3:22 pm
07/06/12 3:22 pm
Joined: Aug 2011
Posts: 19
new hampshire
J
JSK Offline OP
BritBike Forum member
JSK  Offline OP
BritBike Forum member
J

Joined: Aug 2011
Posts: 19
new hampshire
Thanks Gordo,

The front has an 8 in. brake, but the nipples in both rims are not angled for spoke crossover. I do see an outward angle bias of the nipples on one side of one of the rims, which I believe is to provide for sprocket offset, and indicating it is for the the rear.

Regards,
Steve

Re: DB34 wheel rims [Re: JSK] #443921
07/09/12 10:51 pm
07/09/12 10:51 pm
Joined: Sep 2001
Posts: 2,799
Comox BC Canada
G
Gordo in Comox Offline
BritBike Forum member
Gordo in Comox  Offline
BritBike Forum member
G

Joined: Sep 2001
Posts: 2,799
Comox BC Canada
Good luck with the build. The front pattern is a little more complex with inside/outside pattern around the brake drum and the inner/outer holes on the non brake side.

Gordo

PS: I just reread your post above about an outward bias on one side. Based on the spoke holes in the hub and ignoring the protruding splines, the crinkle hub sits further to the non brake in relation to the rim, (ie towards the right side of the machine.)

Just in case you have no examples to copy, here are a few photos of the eight inch front.








Last edited by Gordo in Comox; 07/09/12 11:10 pm.

Without frequent roadside repairs there is no fun in riding!

Moderated by  Rich B 


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