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  • Zhejiang Gidi Industrial Chain Co.,Ltd.
  • Industrial area of zhuji city,Zhejiang,China.

  • Zhuji foreign trade corporation of zhejiang ltd.
  • No.58 Genta Eeat Road,Zhuji,Zhejiang,China

  • +86 575 87258990
  • +86 575 87233739
  • www.gidi-chain.com/
  • GIDI CHAIN Catalogue

Motorcycle chain

All GD brand motorcycle roller chains are made of select alloy steel, and have been undergone strict heat treatment and pre-lubed with special formulated chain oil. GD brand motorcycle chain has met or surpassed the traditional major brands of motorcycle chains on the worldwide market in such major chain performance data as chain precision, wear and shock resistance, tensile strength and elongation ratio. The average life expectance of GD motorcycle roller chains is from 8,000 to 10,000 kilometers, or even longer if properly maintained.The main specification includes 420,420H,428,428H,520,520H,530,530H,630,630H.





CHAIN NO. Pitch Width Roller Plate Pin Average UltimateStrengthkgf Approx Weight 
kg/m 
P W Dia Height Thickness Dia Lengths
inch mm mm R H1 H2 T1 T2 D F G
25 1/4" 6.35 3.15 3.30 5.20 6.02 0.75 0.75 2.30 3.95 4.65 450 0.14
25-2 1/4" 6.35 3.15 3.30 5.20 6.02 0.75 0.75 2.30 7.28 7.95 900 0.26
25H 1/4" 6.35 3.15 3.30 5.20 6.02 1.00 1.00 2.30 4.35 5.15 540 0.16
420 1/2" 12.70 6.35 7.77 10.40 12.00 1.50 1.50 3.96 7.35 8.75 1680 0.60
420H 1/2" 12.70 6.35 7.77 10.40 12.00 1.80 1.80 3.96 8.00 9.40 1800 0.68
428 1/2" 12.70 7.75 8.51 10.60 12.00 1.60 1.60 4.45 8.40 9.75 1885 0.74
428H 1/2" 12.70 7.94 8.51 11.30 12.30 1.80 1.80 4.45 9.00 10.30 2200 0.90
520 5/8" 15.875 6.35 10.16 13.00 15.10 2.00 2.00 5.08 8.85 10.25 3100 0.95
520H 5/8" 15.875 6.35 10.16 13.00 15.00 2.40 2.40 5.24 9.58 10.95 3200 1.08
525 5/8" 15.875 7.94 10.16 13.00 15.10 2.00 2.00 5.08 9.70 11.20 3010 1.02
525H 5/8" 15.875 7.94 10.16 13.00 15.10 2.40 2.40 5.24 10.50 11.70 3160 1.15
530 5/8" 15.875 9.40 10.16 13.00 15.10 2.00 2.00 5.08 10.45 11.90 3010 1.08
530H 5/8" 15.875 9.40 10.16 13.00 15.10 2.40 2.40 5.08 11.25 12.75 3010 1.21
630 3/4" 19.05 9.40 11.91 15.60 18.00 2.40 2.40 5.96 11.35 12.85 3770 1.44
630H 3/4" 19.05 9.40 11.91 15.60 18.00 3.20 3.20 5.96 13.10 14.60 3770 1.80



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