Corrosion Resistance Standard Roller Chain Alloy Steel Motorcycle Drive 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 |
