Gear heads
Nylon Cutting Head Type
B-1
Type name
Diameter of operating pole
Form of transmission shaft
Number of bearings
Weight
Cutter blade mounting
Usable engine displacement
B-1
φ24
□5.4
spline 6×10×0.5
spline 7×7×0.75
4
368g
M8 Left Hand Thread Nat
～20cc
B-2
Type name
Diameter of operating pole
Form of transmission shaft
Number of bearings
Weight
Cutter blade mounting
Usable engine displacement
B-2
φ25
□5.4
spline 6×10×0.5
spline 7×7×0.75
4
390g
M10 Left Hand Thread Nat
～20cc
B-3
Type name
Diameter of operating pole
Form of transmission shaft
Number of bearings
Weight
Cutter blade mounting
Usable engine displacement
B-3
φ25
□5.4
spline 6×10×0.5
spline 7×7×0.75
4
490g
M10 Left Hand Thread Nat
～20cc
B-4
Type name
Diameter of operating pole
Form of transmission shaft
Number of bearings
Weight
Cutter blade mounting
Usable engine displacement
B-4
φ26
□5.4
spline 6×10×0.5
spline 7×7×0.75
4
393g
M10 Left Hand Thread Nat
～20cc
B-5
Type name
Diameter of operating pole
Form of transmission shaft
Number of bearings
Weight
Cutter blade mounting
Usable engine displacement
B-5
φ26
□5.4
spline 6×10×0.5
spline 7×7×0.75
spline 8×9×0.75
3
350g
M10 Left Hand Thread Nat
～30cc
B-6
Type name
Diameter of operating pole
Form of transmission shaft
Number of bearings
Weight
Cutter blade mounting
Usable engine displacement
B-6
φ26
□5.4
spline 6×10×0.5
spline 7×7×0.75
4
450g
M10 Left Hand Thread Nat
～30cc
B-7
Type name
Diameter of operating pole
Form of transmission shaft
Number of bearings
Weight
Cutter blade mounting
Usable engine displacement
B-7
φ28
□5.4
spline 6×10×0.5
spline 7×7×0.75
spline 8×9×0.75
5
900g
M10 Left Hand Thread Nat
～40cc
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