Ritchey WCS Carbon Matrix C220 84D Stem - 110mm 31.8 Clamp -6 1 1/8" Carbon BLK CheckoutSpec= 205/230x57.5-65mm }Full Speed Ahead Pro Track

}Full Speed Ahead Pro Track 50t x144mm Black Chainring 1/2"x1/8"

Compound Semi-Metallic Heat Sink No Backing Plate Material Steel Pad Shape Number 59

}Ritchey WCS Carbon 1-Bolt Seatpost: 31

Sun Rhyno Lite BMX mountain and tandem rims

Ritchey WCS Carbon Matrix C220 84D Stem - 110mm 31.8 Clamp -6 1 1/8" Carbon BLK CheckoutSpec= 205/230x57.5-65mm }Full Speed Ahead Pro TrackRitchey WCS Carbon Matrix C220 Stem 110mm 31. 8 Clamp 6 1 1 8" Carbon Black. With the Ritchey WCS Carbon Matrix C220 Stem you really can have it all. Easy to install and remove thanks to a press fit handlebar clamp interface and forward facing hardware. The C220 handlebar clamp design creates a more secure interface by wrapping a full 220 degrees over the handlebar. Bolt forces are aligned with the clamp so that the stem body embraces the handlebar