531 is a shining beacon of light compare to 4130 of which tend to be use in BMX frame for strength as they're considerably stronger than standard steel.
that's why it's quite cheap compare to the other lugged frame such as Bob Jackson, BLB Classic, etc.
531 is a shining beacon of light compare to 4130 of which tend to be use in BMX frame for strength as they're considerably stronger than standard steel.
that's why it's quite cheap compare to the other lugged frame such as Bob Jackson, BLB Classic, etc.