BlackStar 1VP34 7/8 TYPE A - Variable Pitch Sheave - 7/8" Bore Series-M so a 6/BX138 from any

so a 6/BX138 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

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7mm Length 1150 mm Material Neoprene Reinforcement Aramid (Kevlar) Color Black Temperature Range -30°F to 185°F

BlackStar 1VP34 7/8 TYPE A - Variable Pitch Sheave - 7/8" Bore Series-M so a 6/BX138 from anyThe BlackStar 1VP34 7 8 TYPE A is a 1 groove variable pitch sheave, manufactured from cast iron. Specifications Part Number 1VP34 7 8 TYPE A Product Type Variable Pitch Sheave Number of Grooves 1 Bore Size 7 8" Material Cast Iron Approx. Weight 1. 5 lbs Belt Profile A B (Variable Pitch) Cross references: Browning 1VP34 7 8 TYPE A