Wolf Tooth Headset Upper Knock Block - 28.6 8mm Black MFPN=XTR9630 }Jagwire Sport Organic Disc Brake

}Jagwire Sport Organic Disc Brake Pads - For Shimano Deore XT M8020 Saint M810/M820 and Zee M640

Wider range front gear by utilizing a 17t front range

Rotating articulating clamps allow for secure installation onto virtually any bicycle in a wide range of positions

M5 (minus 5mm - Boost) is dished towards the frame for 52mm chainline for bikes with Boost spacing

8 Color Black Rise 25 Weight 395 Material Aluminum Width 785 Defined Color Black Back Sweep (deg) 8 Upsweep 5

Wolf Tooth Headset Upper Knock Block - 28.6 8mm Black MFPN=XTR9630 }Jagwire Sport Organic Disc BrakeWolf Tooth Headset Upper Knock Block 28. 6 8mm Black. Wolf Tooth Precision Headsets for Trek Knock Block are machined in the USA out of aircraft grade aluminum with superior sealing for protection against the elements. Available in a variety of colors to add some style to your bike. These upper headsets are for Trek frames with molded in internal bearing cups. Designed to work with Treks Knock Block system The top cap on these headsets have unique