Top quality Clutch spring set made in the BGM PRO range, more than up to use in high performance and high torque motors.
 
The spring is slightly tighter than the proven DR springs. Moderate clutch lever force required. 
 
Spring rate 4.1N/mm, block dimension: 7.6mm
 
Set of 6, suitable for the following models: Vespa PX up to 1995, Sprint, Rally, GL, Super, GT, GTR, GS150 / GS3 VS1-5, GS160 / GS4 VSB, VNA, VNB, VBA, VBB, VN1 (06001-), VN2, VB, VL, VL - Set of 6 springs.