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Speedline Parts | 4 Bolt Spline Drive BMX Spider

The Speedline Spline Drive 4 bolt spider to work with all 19mmx48 spline BMX cranks, such as Profile, Madera and Supercross.

It is a Billet , CNC Machined, Aluminum 4 bolt 104 BCD spider with a Heat Treated 4130 Cro-mo center spline insert to allow it to slide right on to your 48t spline cranks for the most positive engagement for your drive gear.

Available in a wide array of colors to help you customize the look of your bike to your style.

Only 74 grams.