Equip SPROCKET with one-row and two-row.Rotate by CHAIN and ROLLER TYPE
Refer to SPROCKET SPEC. on ROLLER PAGE.
CURVE TYPE (90¡Æ, 180¡Æ)
Curve part is connected with SPROCKET for 2-row CURVE to rotate and Roller
outer tube is TAPER and FLAT TYPE and it is possible for TAPER to be fabricated
as STEEL TYPE, RUBBER/URETHANE TYPE.