In order to get the gearing right for Hampton Downs racetrack, it seems that gearing of 15 tooth front, 41 tooth rear is going to be about right.
I ordered a couple of 41 tooth rear sprockets from TYGA Performance.
Including freight they cost NZ$179 or approx NZ$90 each.
I ordered them on Friday and they were at my door 8:30am Tuesday, from Thailand.
The TYGA 41 tooth rear sprocket weighs 293 grams Made from a type of aluminuim called Duralium? and anodised for hardness.
The standard Honda 42 tooth rear sprocket weighs 830 grams.
So, a nice way to save half a kilo.
When I went to fit the sprocket I found that my 110 link chain was too long and I had to shorten it to 108 links.
110 links works for 15/42,.. just. If things wear/stretch a bit, there is little or no adjustment left at all.
110 also works for 16/42.
I ordered a couple of 41 tooth rear sprockets from TYGA Performance.
Including freight they cost NZ$179 or approx NZ$90 each.
I ordered them on Friday and they were at my door 8:30am Tuesday, from Thailand.
The TYGA 41 tooth rear sprocket weighs 293 grams Made from a type of aluminuim called Duralium? and anodised for hardness.
The standard Honda 42 tooth rear sprocket weighs 830 grams.
So, a nice way to save half a kilo.
When I went to fit the sprocket I found that my 110 link chain was too long and I had to shorten it to 108 links.
110 links works for 15/42,.. just. If things wear/stretch a bit, there is little or no adjustment left at all.
110 also works for 16/42.
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