Japan Matumura Kohki Scrowave Springs Suspension for Brompton Bicycle
The Best suspension for Brompton, Made in Japan.
The spring characteristic of Scrowave Springs is non-linear, but around 60% of center of all bends area is similar to linear.
Soft Type 78g
Firm Type 84.5g
Remarks: Z-JMP-1 / Z-JMP-2