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DannoXYZ · December 12th, 2019, 08:45 AM

I tried 415 chain once in beginning. Without O-rings, it didn’t last more than single season. That’s with cleaning and oiling 2x per day at track. A 428 chain is same pitch as 415, but can be had with O or X-rings. Has wider rollers than stock 520 with less weight and more durability. I’ve gotten 3-seasons out of 428 chain set-up, and that’s with 45-48 days at track each year. It only saves 2.5-lbs over stock compared to 3.5-lbs for 415, but well worth it for more durability. Read all about 428 conversions on Cramer or Sprocket Specialties site.

http://web.archive.org/web/201704230...x250/428.shtml

Sticking with stock front sprocket & 520 chain, you may want to try 46t or even 47t rear sprocket on tighter tracks for faster acceleration. Watch out for wheelies!

December 12th, 2019, 08:45 AM	#5
DannoXYZ ninjette.org certified postwhore Name: AKA JacRyann Location: Mesa, AZ Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot. MOTY - 2018, MOTM - Nov '17	I tried 415 chain once in beginning. Without O-rings, it didn’t last more than single season. That’s with cleaning and oiling 2x per day at track. A 428 chain is same pitch as 415, but can be had with O or X-rings. Has wider rollers than stock 520 with less weight and more durability. I’ve gotten 3-seasons out of 428 chain set-up, and that’s with 45-48 days at track each year. It only saves 2.5-lbs over stock compared to 3.5-lbs for 415, but well worth it for more durability. Read all about 428 conversions on Cramer or Sprocket Specialties site. http://web.archive.org/web/201704230...x250/428.shtml Sticking with stock front sprocket & 520 chain, you may want to try 46t or even 47t rear sprocket on tighter tracks for faster acceleration. Watch out for wheelies! Last futzed with by DannoXYZ; December 12th, 2019 at 02:26 PM.