Front Brake Caliper: ZNEN 139QMB 50cc-80cc (68mm Spacing) Vespa P/PX measure the circumference of your

measure the circumference of your head approximately one inch above your eyebrows

Max tube diameter: 20mm

SYM Vintage Models Vespa P-Series

VNB4 and up

except P-series

Front Brake Caliper: ZNEN 139QMB 50cc-80cc (68mm Spacing) Vespa P/PX measure the circumference of yourStop with Confidence: OEM Front Brake Caliper for ZNEN Scooters Don't settle for "universal" brakes that might not fit. This Genuine OEM Front Brake Caliper is the factory correct replacement for the CSC Bella Classic, Wolf Lucky, Amigo Avenza, and many other ZNEN 139QMB based scooters. Precision engineered for reliability, this caliper delivers the consistent stopping power needed for safe urban commuting. The Professional Choice Guaranteed Fitment: