Showa Kikai Shoji Chainring

Made in Japan
Manufacturer: Showa Kikai Shoji

For light load use, made from FC material (cast iron)

Type Outer diameter P.C.D Boss diameter Boss length Number of teeth Mass (kg)
A W6×100 100 74 50 50 5 1.6
W6×125 125 103 45 50 7 2
W6×150 150 132 50 55 9 2.5
W6×180 180 161 75 55 11 4
W6×200 200 176 50 55 12 3.5
W6×200 200 176 75 55 12 5
W6×230 230 205 50 55 14 4.5
W6×230 230 205 75 55 14 5
W6×255 255 234 75 60 16 5.5
W6×280 280 249 55 60 17 6
W6×280 280 249 75 60 17 6.5
W6×305 305 278 55 60 19 6
W6×305 305 278 75 60 19 7
W6×355 355 322 75 60 22 8
W6×380 380 351 60 60 24 9
W6×405 405 380 75 60 26 10.5
W6×455 455 424 80 65 29 14
W6×510 510 483 80 65 33 15
B W6×550 550 515 80 65 30 16
W6×600 600 567 80 65 33 18.5
W6×650 650 619 90 70 36 21
W6×700 700 670 90 75 39 27
W8×110 110 80.9 60 70 5 2.5
W8×125 125 96.6 75 70 6 3.5
W8×140 140 112.3 75 70 7 5
W8×150 150 128.1 75 70 8 5.5
W8×170 170 143.9 75 70 9 6
W8×190 190 159.8 75 70 10 6.5
W8×200 200 175.6 75 75 11 6.5
W8×220 220 191.5 75 70 12 6.5
W8×250 250 223.3 75 70 14 9
W8×270 270 239.1 75 70 15 9.5
W8×285 285 255.0 75 70 16 10
W8×320 320 286.8 75 70 18 12
W8×350 350 318.6 75 70 20 13.5
W8×430 430 398.1 75 75 25 20
W9×125 125 93.8 80 80 5 5
W9×150 150 112.0 90 80 6 7
W9×160 160 130.3 90 80 7 7.5
W9×180 180 148.6 90 80 8 8
W9×200 200 167.0 90 80 9 8.5
W9×215 215 185.3 90 80 10 9
W9×250 250 222.1 90 80 12 11
W9×290 290 259.0 90 80 14 13
W9×325 325 295.8 90 80 16 15
W9×360 360 332.7 90 80 18 16
W9×425 425 388.0 100 90 21 23
W9×550 550 517.2 100 90 28 33
W13×170 170 122.9 80 100 5 9
W13×190 190 146.8 100 100 6 12
W13×200 200 170.0 100 100 7 13
W13×240 240 194.7 100 100 8 15
W13×265 265 218.8 100 100 9 16.5
W13×290 290 242.9 120 110 10 20
W13×335 335 291.1 110 110 12 23
W13×435 435 387.6 110 110 16 30
W13×460 460 436.0 110 110 18 32
W16×200 200 150.1 100 100 5 12
W16×235 235 179.2 115 100 6 18
W16×295 295 237.8 115 100 8 24
W16×320 320 267.2 115 100 9 27
W16×390 390 326.0 115 100 11 33
W19×250 250 178.3 105 110 5 22
W19×290 290 212.9 140 120 6 30
W19×350 350 282.4 140 120 8 40
W19×385 385 317.3 140 120 9 44

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