PROGRESSIVE SUSPENSION Replacement Front Fork Springs — 502 mm length, 23 mm outside diameter, 0.63–0.89 kg/mm – 71-72, 74, 76-83, 86 Big Twin, 57-85 Sportster

Data sheet

Units

Pair

Brand

PROGRESSIVE SUSPENSION

Outside Diameter

23.00 mm (0.90")

Length

502.00 mm (19.75")

Spring Rate

0,63 kg/mm - 0,89 kg/mm (35 lb/in - 50 lb/in)

Harley Family

Sportster
Vintage Big Twin