Brand new sprocket specialist rear sprocket.
for a 520 conversion
anodized titan tough and black in colour. supposed to last 4x longer than plain aluminum sprockets
one hell of a sprocket. bought this one accidentally instead of one for my '99.
48t will wheely like hell. a lot of down low grunt, i take 1000s no prob until third with this setup
over $85 new. asking $60
BRAND NEW NEVER USED !