Aluminum Sprocket Hub, 50mm. Manufactured by PKT for racing karts, this sprocket hub is available in 25mm, 30mm, 40mm, and 50mm sizes. Lightweight, precision machined, and sturdy, the PKT sprocket hub is a must-have for racers concerned about rotating weight or wanting an up-market sprocket hub.
Overview
PKT's sprocket hub is a cut above the rest. With dual cinch bolts and a bolt for the keyway, this sprocket carrier isn't messing around when it comes to keeping the sprocket in place.
Precision CNC milled for lighter weight, the sprocket hub / carrier is designed to fit a variety of axle diameters, from 25mm, 30mm, 40mm, and 50mm.
A standard sprocket carrier can weight up to 15 oz - the PKT carrier will cut that by 30%!
Each sprocket hub comes complete with a set of button head M6 bolts and nut/ washer sets, for a total of (6) with the carrier.
Note: The 25mm sprocket carrier is only available in a 3-spoke configuration. The 30mm Sprocket Carrier is configurable in either 3-spoke or 6-spoke configuration, while 40 and 50mm sprocket carriers are available as a 6-spoke design only.
Sprocket Hub Weights
50mm Sprocket Hub: approx 11.0 oz with hardware included.