
Regina Chains
Comes in Three Qualities
Reinforced, Non O-Ring
Chain, Heavy Duty
Chain has gold outer plates, grey rollers, pre-stretched- see specs
below
W-roller link width, D-roller diameter,
T1-pin link plate thickness, T2-roller link plate thickness
B-weight, P-pitch, L-pin length, R-average tensile strength
| Chain |
P-in. |
W-in. |
D-in. |
T1-in. |
T2-in. |
L-in. |
B-lbs/ft |
R-lbs. |
Applications |
Up to |
| 420 ORO |
1/2 |
1/4 |
.305 |
.064 |
.071 |
.633 |
.37 |
3530 |
Dirt/Street |
80cc |
| 428 RH |
1/2 |
5/16 |
.335 |
.079 |
.079 |
.744 |
.54 |
5060 |
Dirt |
125cc |
Professional, Non O-Ring, Lightest
Possible
Chain has gold outer plates, grey rollers, pre-stretched- see specs below
W-roller link width, D-roller diameter,
T1-pin link plate thickness, T2-roller link plate thickness
B-weight, P-pitch, L-pin length, R-average tensile strength
| Chain |
P-in. |
W-in. |
D-in. |
T1-in. |
T2-in. |
L-in. |
B-lbs/ft |
R-lbs. |
Applications |
Up to |
| 520 RX3 |
5/8 |
1/4 |
.400 |
.079 |
.079 |
.785 |
.65 |
7650 |
Dirt |
500cc |

520 Quad Chain Z-Ring
520 quad Chains have "gold outer plates. A tough elastic
Z-ring seals in special grease to provide increase wear life over standard
sealed chains. The Z-rings also keep out dirt and water, chain construction
features high chrome - nickel alloy pins, solid bushings, shot peened solid
rollers and plates for increased fatigue strength. Chains are prestressed to
provide quick break in for minimal adjustments.