Varlo Posted August 18, 2018 Report Share Posted August 18, 2018 Hi, does anyone know where I can get a 10 tooth 428 sprocket for my fantic 200? Quote Link to comment Share on other sites More sharing options...
cleanorbust Posted August 18, 2018 Report Share Posted August 18, 2018 Bill Pye, Frankfield Garage, Great Ayton 01642 722378 1 Quote Link to comment Share on other sites More sharing options...
Varlo Posted August 18, 2018 Author Report Share Posted August 18, 2018 Cheers ?? Quote Link to comment Share on other sites More sharing options...
trapezeartist Posted August 18, 2018 Report Share Posted August 18, 2018 https://bvm-moto.co.uk/index.php?route=product/product&product_id=2193 I just bought an 11 tooth from BVM. Superfast delivery, and as I was a bit nervous about delivery in time for this weekend they phoned me up to confirm it was just despatched. Note that 11 tooth is standard. Going down to 10 tooth will make a 9% change in gear ratio unless to change the rear as well. The 10 tooth will also accelerate chain and sprocket wear. 1 Quote Link to comment Share on other sites More sharing options...
Varlo Posted August 19, 2018 Author Report Share Posted August 19, 2018 What size rear sprocket are you using? Mine is 12 / 52 runs too quick for me. Quote Link to comment Share on other sites More sharing options...
trapezeartist Posted August 19, 2018 Report Share Posted August 19, 2018 I'm using 11/53, which is the standard gearing according to the user manual. Your gearing is 10% taller. Sometimes I think mine is too low geared, and other times it feels too high, so I reckon it's really about right. 1 Quote Link to comment Share on other sites More sharing options...
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