Full Speed Ahead TH-857 Threadless Headset 7.6/25.9 Black Model=36 Rhythm Crown/Steerer/Uppertube Assemblies If the fork bridge is

If the fork bridge is perforated the Mudrocker can be securely mounted with the included adapter

}Problem Solvers BB30 / PressFit 30 Bottom Bracket Adaptor for 24mm Cranks

Excellent widespread beam pattern

The TRP CK-8050 crankset features forged aluminum crankarms for durability and robustness with a 30mm spindle diameter to provide exceptional power transfer

For use with Shimano XTR M9100 series cranksets

Full Speed Ahead TH-857 Threadless Headset 7.6/25.9 Black Model=36 Rhythm Crown/Steerer/Uppertube Assemblies If the fork bridge isFull Speed Ahead TH 857 Threadless Headset 7. 6 25. 9 Black. TH 857 headset features and alloy top cover and forged steel cups. Alloy top cover TECH SPECS Color Black Lower Stack Height 12. 6 Bearing Type Cup and Cone Crown Race 30 Defined Color Black Upper Stack Height 12. 9 S. H. I. S Upper EC34 S. H. I. S. Stem Clamp Diameter 28. 6 Threadless S. H. I. S Lower EC34