CHAIN WHEEL & CRANKS
PITCH X TOOTH 
THICKNESS
Standard
Threading MM
Cotter Pin
Hole MM
B.B. Hole 
MM
1/2" X 1/8" 
OR
1/2"X3/32"
English
9/16"(14.28mm) X 20 TPI WW
9.5
15.9
French 

Italian

14MM X 1.25 
Pitch ISO-Metric 
9/16" X 20 TPI WW
9.0 

9.0

16.0 

16.0

 
powder coated chainwheel - bicycle components
GS-6 (JAPAN CUT)
44 Teeth X 6-1/2" cottered BCP/ Powder coated, with or without three holes.
Other sizes 28T, 32T, 36T, 40T, 46T, 48T, 52T. 
Crank size : To order
powder coated chainwheel - bicycle components
GS-6.01(ITALIAN CUT)
46/48 Teeth X 6 3/4". 1/2" X 1/8" or 1/2" X 3/32"
chainwheel, cranks - bicycle components
GS-6.02 (BIRDHEAD CUT)
 44/46/48 Teeth.
Crank sizes : To order
chainwheel, cranks, chainguard - bicycle components
GS-6.03 (ITALIAN CUT)
40 Teeth X 5 1/2"Crank cotterless/cottered with black/white/  BCP chain-guard.
double chainwheel, cranks, chainguard - bicycle components
GS-7(DOUBLE CHAINWHEEL)
Cottered/Cotterless, with/without chainguard 
1/2" X 3/32" X 40T-48T & 42T- 52T
Crank sizes : 6 1/2" & 6 3/4".
tripple chainwheel, cranks  - bicycle components
GS-8 (TRIPLE CHAINWHEEL)
Cottered/Cotterless
1/2" X 3/32" X 28T-38T-48T. 
Crank sizes : 6 1/2" & 6 3/4".
tripple chainwheel, cranks - bicycle components
GS-9 (TRIPLE CHAINWHEEL)
 Plastic coated with cotterless spider crank
1/2 X3/32" X 28T - 38T - 48T.
Crank size 6 3/4" (170mm)
plastic coated spare crank, cotterless cranks, BNCP cranks - bicycle components
GS-10 (SPARE CRANK)
"A" 6 3/4" Plastic coated left crank.
"B" cotterless. BCP/Powder coated left crank length to order.
"C" Cottered Available in British/French/Italian standard BNCP/Powder coated, length to order.
chainwheel, powder coated crank, BNCP crank - bicycle components
GS-11A (CHAINWHEEL)
 Chainwheel 44 Teeth 1/2" X 1/8" for one piece crank BNCP/Powder coated.
chainwheel, powder coated crank, BNCP crank - bicycle components
GS-11B (CHAINWHEEL) 
Chainwheel 44/ 48 Teeth
1/2" X 1/8" for one piece crank BNCP/Powder coated
tripple chainwheel, powder coated crank - bicycle components
GS-12
(TRIPLE CHAINWHEEL)
For one piece crank 1/2" X 3/32" X 28T-38T-48T
hot forged crank - bicycle components
GS-13
ONE PIECE CRANK
Hot forged, 5 1/2" or 6 1/2" BNCP
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