Aluminium Timing Pulleys MXL025 (Metric Pilot Bore)
MXL (Minipitch) Timing Pulleys, pilot bore.
Aluminium MXL pulleys with zinc plated steel flanges. Pitch 0.080" (2.032mm).. These pulleys are supplied with a pilot bore that can be machined out to a larger accurate diameter (subject to boss size) although many users find the pilot bore quite acceptable.