Chain Outer Width Wear Life Tensile  Weight lbs per Master Link Max cc Notes
  MM   Strength 100 Links In Box Street/ Dirt  
STANDARD
420 16.00   4200 1.60 CLIP 80/80  
428 20.30   5000 1.85 CLIP 125/80  
520 17.25 100 7,200 3.20 CLIP 250/ NA  
525 8.70 100 7,280 3.74 CLIP 400/ 400  
530 20.45 100 7,200 3.65 CLIP 400/ N/A  
520 RK JAPAN 17.25 100 7,200 3.10 CLIP 250 / NA  
525 RK JAPAN 20.05 100 7,200 3.30 CLIP 400 / NA  
530 RK JAPAN 20.45 100 7,200 3.65 CLIP 400 / NA  
M420  14.80 100 4,200 1.60 CLIP 80 / 80 RK-Malaysia
M428  16.85 100 4,500 1.85 CLIP 125 / 80 RK-Malaysia
M520  17.25 100 6,800 3.28 CLIP 250 / NA RK-Malaysia
M525  18.70 100 6,800 3.48 CLIP 400 / NA RK-Malaysia
M530  20.45 100 6,800 3.71 CLIP 400 / NA RK-Malaysia
HEAVY DUTY
219RZ  11.50 NA 2,000 0.52   1200 / NA Race Cam Chain
415H 13.75   3,900 1.48   80/NA  
415HR 13.75   4,800 1.51   125/NA  
420MS 16.10 200 4,500 1.73   N/A / 80  
420MXZ & GB 15.70 300 5,000 1.76 CLIP 150 / 125  
428FD 17.60   5,200 2.13   200/125  
428H 16.75 160 5,500 2.21 CLIP 200 / 200  
428HS 17.60   5,200 2.06   200/125  
428MXZ & GB 17.60 300 5,800 2.13 CLIP 250 / 125  
428SH 18.70   5,200 2.21   200/125  
520DS 18.55   6,800 3.20   250/NA  
520KS 19.20   7,200 3.28   250/NA  
520KZ 18.05 200 7,300 3.14 CLIP N/A / 250  
520KZ6  18.15 200 7,900 3.15 CLIP 600 / 250 Econo MX chain
520MXZ & GB 18.15 300 8,800 3.24 CLIP NA / 500  
520MXZ3 & GB 18.15 300 8,800 3.10 CLIP NA / 500  
520SM 18.05 170 7,600 3.32   250 / 500  
520TR 18.15   6,200 2.84   250/NA  
520TZ 18.05   6,500 3.01   125/125  
525SM 19.90   7,300 3.73   400/NA  
530SH 22.15 200 7,850 4.02   500 / N/A  
530DR  23.35 250 10,400 5.12 CLIP 1500 Drag Drag Racing
530KS 20.85 200 8,000 3.75 CLIP 600 / NA  
630S 23.10   10,300 6.38   1000/NA  
GB415HR  13.65 300 4,800 1.51 CLIP 125/NA RS125 Race
520MXZ3 & GB 18.15 300 8,800   CLIP NA/500  
GB520TR 18.20 200 7,000 2.84   250 / 250 Gold, Ultra-Lite 250cc MX
GY520X 18.05 170 7,280 3.09   400 / 250 Gold, 250cc IVIX
GY530X 22.15 200 8,400 3.99   750 / N/A  
M415H  13.05 100 3,520 1.47 CLIP NA/50 Mini bike chain
M428H  18.75 200 5,400 2.26 CLIP 200 / NA RK-Malaysia
M520H 18.80 200 7,700 3.65 CLIP 400 / NA RK-Malaysia
M525H  20.35 200 7,700 3.85 CLIP 500 / NA RK-Malaysia
M530H  22.00 200 7,700 4.09 CLIP 500 / NA RK-Malaysia
"O"-RING ***
219KSO  13.05 NA 2,315 0.52 CLIP Karts only Kart Racing
420S0 17.05   4200 1.72 CLIP 125/125  
428HMO 20.30   5200 2.18   200/150  
428HO 20.30 400 5,500 2.18   250 / 200  
428SO 20.05 400 5,500 2.26 CLIP 250 / 200  
520KZU 18.05 400 7,300 3.20   N/A / 250 Thin O-Ring MX
520MO 19.90 600 6,300 3.83 CLIP 250 / 250  
520S0 21.45 600 7,700   CLIP 400 / 400  
520SHO 21.00 800 7,500 3.67   750 / 750 Ducat!* and 750 Roadrace
520SMO 19.90 800 7,500 3.36   500 / 500 Enduro, Quads, severe terrain MX
520SO 19.90 600 7,700 4.08 CLIP 400 / 400  
525SMO 21.55 800 7,500 3.56   500 / 750  
530GRO 24.90 500 9,000 5.06   750 / N/A Bright Gold Plated 53050
530HF0 24.90 1,000 9,000 4.52   750 / 750  
530L0 25.40 1,000 11,200 5.24   1200 / 1000  
530LFO 25.40 1,000 10,000 4.94   1000 / 1000  
530SO 24.90 500 9,000 5.06   750 / N/A  
532GSV 24.90 1,000 9,200 4.92   OVER 1000cc  
630GSV 25.00 1,000 11,300 6.50   OVER 1000cc  
630S0 25.65 800 11,100 6.50 RIVET 1300 / NA  
632GSV 25.00 1,000 11,200 6.74   OVER 1000cc  
GB520KZU 18.05 400 7,300 3.20   N/A / 250 Gold, Thin O-Ring MX
GP530SO 24.90 500 9,000 5.06   750 / NA Bright Nickel Plated 530SO
GY520XO* 20.45 800 7,280 3.28   500 / NA Gold, Ultra-Lite Superbike
GY530X0* 24.90 800 8,400 4.18   750 / NA Gold, Ultra-Lite Endurance
"RX"-RING
520XSO & GB 19.90 750 8,500 3.36 RIVET 750 / 750  
525XSO & GB 22.85 750 8,850 4.30 RIVET 900 / 750  
530XSO & GB 24.90 750 9,200 5.06 RIVET 1000/750  
530XSOZ1 & GB 24.90 750 9,500 4.48 RIVET 1000 / 750  
GP530XSO  24.90 750 9,200 5.06 RIVET 1000 / 750 Nickel
`XW"-RING
428SHO 21.80   5,100 2.72   250/150  
428SMO 22.60   6,600 2.96   600/150  
520EXW & GB  20.80 1,000 8,500 3.36 CLIP 400 / 750 Quad
520GXW & GB  20.80 1,000 8,800 3.75 RIVET 1000 / 750 All Sport
520SHO & GB 20.80 800 8,000 3.68   750/600  
520SMO 21.45   7,100 3.36   400/400  
525GXW & GB  22.85 1,000 9,300 4.30 RIVET 1100 / 800 All Sport
525RO 22.85   7,900 4.22   750/600  
525ROZ & GB 22.85 1,000 9,300 4.22   1000 / 750  
525SMO 21.55   7,300 3.66   400/400  
530GSV 24.90   8,800 4.91   750/NA  
530GXW & GB  24.90 1,000 10,000 4.63 RIVET 1400 / 900 All Sport
530HFO 26.10   8,400 4.52   750/600  
530LFO 25.40 1,000 10,000 5.00   1400 / 900  
530LO 26.65   9,500 5.25   1200/NA  
530MFO 24.60   7,480 4.25   750/NA  
532GSV  24.90 1,000 9,200 4.92 CLIP 1300 / NA Sportbike
630GSV 25.00 1,000 11,300 6.44 RIVET 1400 / NA  
632GSV 26.35   10,800 6.74   1000/NA  
GB520XRO 20.80 800 8,800 3.73   1000/750  
GB530HFO 24.90 1,000 9,000 4.45   900 / 650  
COMPETITION
GB 520TZ 18.05   6,400 3.01   125/125  
GB415HR 13.75   4,800 1.51   125/NA  
GB415HRO 15.70   4,800 1.63   125/NA  
GB520KZ 18.05   6,800 3.16   NA/250  
GB520R 18.05   7,300 3.37   500/NA  
GB520TR 18.15   6,200 2.84   250/NA  
GB525RO 22.85   7,700 4.22   750/600  
GY520MXO 20.55   7,300 3.72   750/NA  
GY520RO 20.55   7,500 3.56   750/NA  
GY520SMO 20.40   7,000 3.58   400/400  
GY520X 18.15   7,300 3.09   400/NA  
GY520X0 20.55   7,300 3.28   400/NA  
GY525X 19.90   7,300 3.29   400/NA  
GY52SXO 21.95   7,300 3.69   400/NA  
GY530X 22.30   8,000 3.99   750/NA  
GY530X0 25.00   8,000 4.18   750/NA  
"ULTRA"-RING
520KZU 18.05   6,800 3.22   NA/600  
520TRU 18.05   6,200 2.83   250/NA  
*** Some chains labeled as "O"-Ring may infact have a profiled "O"-Ring.
INNER WIDTH PITCH
415 CHAINS - 4.76mm 40 SERIES CHAIN - 24.0 LINKS PER FOOT - 12.700mm Pin-to-Pin
420/520 CHAINS - 6.35mm 50 SERIES CHAIN - 19.2 LINKS PER FOOT - 15.875mm Pin-to-Pin
428/525 CHAINS - 7.95mm 60 SERIES CHAIN - 16.0 LINKS PER FOOT - 19.050mm Pin-to-Pin