72 teeth of beauty !!! :)

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azbill

azbill

Active Member
May 18, 2008
3,358
5
38
64
Fountain Hills, Arizona
this is my new sprocket from Jim at Creative Engineering
what a nicely machined piece of work ;)
(thanks Jim, this is a very cool addition to my bike :))
it is a 72 toother !!!
I will be using it on my new stretch build
I need the huge torque for pulling the trailer up big hills where I live
(the girls are NOT getting smaller ;))

1st pic is the 72T beside a stock 44T that comes in most kits
next 2 pics are opposing sides of the sprocket showing that the lightening holes are counter-sunk on both sides :)
last pic shows mounted on my new HD Husky coaster (12ga spokes)
...to make the chrome coaster match my front drum wheel (black rim), I sanded the rim with 220 wet/dry and taped all 36 spokes, painted with dupli-color satin black engine enamel
 

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azbill

azbill

Active Member
May 18, 2008
3,358
5
38
64
Fountain Hills, Arizona
Reaperz,
cb-110 (1.524")
tell Jim/Karen you are using the big spokes
(the mount pattern is bigger to clear the spokes)
Jim said he uses the OCC mount pattern ;)
 
G

Gareth

New Member
Dec 8, 2009
123
0
0
Floriduh
With the price of aluminum, Jim sure goes to a lot of work to keep a little extra dust....

:p


Looks great..

I get in enough trouble poppin the front end up with just the 50 toother.

I would be a certified menace with that thing....king like a trials bike....hmmm

 
azbill

azbill

Active Member
May 18, 2008
3,358
5
38
64
Fountain Hills, Arizona
the speed limit here in AZ is only 20mph :(
even with a 56T, I was only using about half of the throttle to keep the speed down
this will enable me to use the full range of the Q-Matic's (EZM 4cycle) capabilities and not get in trouble :)
 
GearNut

GearNut

Active Member
Aug 19, 2009
5,104
11
38
San Diego, Kaliforgnia
Wow! That resembles the blade on my tablesaw, just a different tooth profile.
With the torque you are gonna get, I bet that you could climb a telephone pole with it!
 
Spunout

Spunout

MB Builder Extraordinaire
Jul 21, 2008
475
2
0
coventry, RI
blog.360.yahoo.com
azbill said:
the speed limit here in AZ is only 20mph :(
even with a 56T, I was only using about half of the throttle to keep the speed down
Click to expand...
that sprocket is SIKK!

when i lived in Tucson, i always thought the 20mph limit was fair and good enough. but out here, the limit is 30mph. wow what a difference that extra 10mph makes, especially when you gotta be someplace. xct2

do you have pics of your new stretch someplace? or are you doing a step-by-step install w/pics?
 
azbill

azbill

Active Member
May 18, 2008
3,358
5
38
64
Fountain Hills, Arizona
speciallized crossroads armadillo... kevlar belted and hard wearing rubber
(3500+ miles on 'em and they still look new)
it was on the jag :)
the front drum wheel will be going to the stretch as well, that's why I painted the new coaster rim ;)
 
Fossil

Fossil

New Member
Mar 15, 2008
228
2
0
Guthriesville Pa
With that size sprocket you will be able to climb the side of a building provided you have the traction. Wow....
That thing looks great. Jim does nice work.

Jim
 
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