Superstar Trip Sprocket Splined  E-mail this product to a friend new 3-spokes light sprocket specs : 7075-T6 alloy 15/16" hole + 19 mm and 22 mm adaptors 25T = 5.0 mm thick (4 mm in the center), 1.4 oz   minimal packing for waste reduction   NEW LOWER MSRP (was $44.99) This product qualifies for quantity discount pricing.what's this?
Superstar Trip Sprocket Splined Sprocket Spec-25T, Color-Black This product qualifies for quantity discount pricing.what's this?