Ritchey 4-Axis Stem - 120mm 31.8 Clamp Adjustable 1 1/8" Aluminum Black MFPN=BX-HB1-BMA45-BK It comes with a medium

It comes with a medium flex plate for all types of terrain

Carapace casing is designed for moderate to rough terrain with durability and protection in mind

4 bolt cold forged clamp face

while the secure turn-lock design offers confident retention for explosive racing

Ritchey 4-Axis Stem - 120mm 31.8 Clamp Adjustable 1 1/8" Aluminum Black MFPN=BX-HB1-BMA45-BK It comes with a mediumPrecision 3D Net shaped forged shaft interconnects with a precision broached clamp to create a strong light and secure stem offering + 55 degrees range of adjustment. Adjustable from +40 to 32 degrees Stainless bar and stem clamp bolts Stem Angle (deg) Adjustable Length 120 Bar Clamp Diameter (mm) 31. 8 Color Black Rise Adjustable Weight 219 Material Aluminum Defined Color Black Stack Height 40 S. H. I. S. Stem Clamp Diameter 28. 6