Martin Sprocket 120A21 MSG Roller Chain Sprocket - A PLATE - 100 CHAIN AND ABOVE(0)No Reviews yet Pinit $345.21 Quantity discounts available QuantityPrice SKU: 120A21 MSG MANUFACTURER: Martin Sprocket & Gear Quantity -+ Print Details Tooth Hardness: Carbon SteelChain Size: 120Hub Style: ANumber of Teeth: 21Bore Type: PlainBore Size (in): Number of Strands: SingleWeigh... Details Back DetailsTooth Hardness: Carbon SteelChain Size: 120Hub Style: ANumber of Teeth: 21Bore Type: PlainBore Size (in): Number of Strands: SingleWeight: 18.5 lbManufacturer: Martin SprocketCountry of Origin: USA Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review