NEW Thomson Elite X4 Mountain Stem Thomson Elite X4 Mountain Stem - 45mm, 31.8 Clamp, +/-0, 38.1, Aluminum, Black height_5ft-07in It features X-Range gearing technology

It features X-Range gearing technology and a 10-tooth small cog to progress fluidly and efficiently

2-piece center lock rotors for use with Campagnolo hydraulic brake systems

42t chainring

drive configuration offers low drag and reliable 6 degree engagement

NEW Thomson Elite X4 Mountain Stem Thomson Elite X4 Mountain Stem - 45mm, 31.8 Clamp, +/-0, 38.1, Aluminum, Black height_5ft-07in It features X-Range gearing technologyThomson X4 One Point Five Stems feature custom heat treated bolts with corrosion preventative plating. Machined 7000 series extruded bar stock Stem Angle (deg): 0 S. H. I. S. Stem Clamp Diameter: 38. 1 Defined Color: Black Stack Height: 41 Weight: 169 Color: Black Material: Alloy Length: 45 Bar Clamp Diameter (mm): 31. 8