Ritchey Comp Trail Stem 35mm Clamp 45mm Black MFPN=RDRR48CDPW24SA7546 8 Drop Bend Style Compact 8 Drop Bend Style Compact Cable Routing External Material Aluminum Width Measurement Center Width 42 Defined Color Black Clip on Compatible No }SRAM 10 speed X0 and X9 Rear Derailleur Hanger Bolt Assembly Parts Kit More than just a beefed up version of our other stems with the Trail stem we revised the clamp to fit a wider variety of riser bar bends still packing a dramatic increase in stiffness and strength over competitors designs 3D Net Shape Forging Process that forces the material grain to follow the product shape for greater structural strength