JW 4 Bolt Spider. Machined from 1/4" 7075 aluminum. Proudly made in USA like all of our products. Choose from 19mm traditional bore or spline drive. Single speed design only accepts one chainring. Backside mount only. Available in Raw, Silver, Black, Red or Blue. Bright Dip Anodized
For custom bore sizes click here
*SPLINE DRIVE INSERT IS NOT INCLUDED. SEE BELOW*
Spline drive spiders use Profile USD inserts. Link below
Profile Universal SD Adapter | Powers Bike Shop (powersbmx.com)
* STYLE A is 19mm & STYLE B is 22mm *
