Product Details:
Name: Wave spring
Hardness: HRC44-55
Material: 304 steel spring with titanium bolts or steel bolts cap
For Brompton folding bike A line C line, can not fit brompton other model
Model: double layers suggest for below 80kg weight rider
Weight: Titanium bolt is 122g
Super quality
About it
Wave springs are widely used in hydraulic equipment, automotive and other industries. In the same size, the shock effect a 35% increase over the conventional type of spring.