Type E Simplex  
Type P Simplex

Internal width = 3.00 mm  
E = Diameter incl. chain = A + 7.11 mm  
Roller diameter = 5.00 mm  
F = Total length including chain = D + 3.15 mm  
Plate height = 7.11 mm  
G = Tooth width = 2.54 - 2.69 mm
H = 1.40 mm
F = 9.1 mm (Flat sprocket Simplex)

SolidComponents^TM

Type E Simplex
Type U Simplex

Internal width = 2.80 mm  
E = Diameter incl. chain = A + 5.00 mm 
Roller diameter = 4.00 mm  
F = Total length including chain = D + 2.45 mm  
Plate height = 5.00 mm  
G = Tooth width = 2.6 mm
H = 1.30 mm
F = 7.50 mm (Flat sprocket Simplex)

SolidComponents^TM