Grubee GT 1 Sprocket

B

bdial

New Member
I'm told I need to change my 44 tooth sprocket on my GT1 bicycle to a 60 tooth sprocket. Will any 6 bolt-hole sprocket fit my GT1? Do the "manic mechanic" sprockets fit the GT1? I'm appreciative of any help.
 
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Kind of desperate. Trying to get bike ready for spring. The only vendor I can find for Grubee sprockets is Terry Blow and he's out of business for now. Does anyone have a referral for a 56 tooth, 6 bolt sprocket that fits the Grubee HD axel? I'd be grateful. If anyone has such a sprocket for sale personally, I'd like to hear of that also.
 
60tooth is pretty extreme, you'd have to have a VERY small engine that revs extremely high(like one of those race 30.5cc engines) to warrant a sprocket that large. I think a 56t is as large as you'd need to go for anything.
 
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