MCS Black Cat 18T BMX Freewheel - 108 Engagement Points - 3/32" - Black 31.8mm This seat only fits Pivotal

This seat only fits Pivotal seatposts (not included)

This bottom bracket is designed to be used with old school 1 piece cranks that are 24 tpi and frames that have a classic American bottom bracket shell

The Sun Ringle Rhyno Lite XL rim is constructed of double wall aluminum in all black with pinned seam

which combines the best attributes of low rolling resistance

Steerer Tube: 1 Inch

MCS Black Cat 18T BMX Freewheel - 108 Engagement Points - 3/32" - Black 31.8mm This seat only fits PivotalOne of the latest additions to the ever growing family of MCS reliable BMX products: the MCS BLACK CAT Freewheel!! For now only available in 16T, this 108 points of engagement 9 pawls is made for instant power transfer!! Cold forged plus 100% CNC Chromoly construction 4 prong installation and removal freewheel 1. 37" x 24tpi thread 3 32" Posted Weight: 160. 8 grams 5. 67 ounces Size: 18T Color: Black