NK Standard Sprockets B Type NK25B
CHAIN TECHNICAL DATA
Chain Pitch1/4
Inner Width0.125
Bush Dia.0.130
Tooth Width (T)0.110
When a tensional sprocket is
assembled, tension the chain
according to drawing a fist, then
tightening the compression nut.
After this, turn the eccentric pin
to the tensional situation by
using an iron bar. Tighten the
clamp nut last.