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Road Stems

Cervelo ST28 Carbon Stem

The aerodynamic S5 disc brake bikes and frames from 2019-2022 feature a unique, modular-integrated stem-bar system along with a proprietary steerer tube interface that all create a singular looking and performing forward cockpit with full integrated routing into the frame. The V-shaped ST-C028 Carbon Stem was designed solely for these S5's, and is only compatible with the Cervelo AB-08 Carbon Handlebar.

The stem-bar system is exceptionally aerodynamic, delivers excellent stability and torsion resistance for sprinting or climbing out of the saddle, and although it may not look like it, a Cervelo bike dealer/fitter can adjust angle and height with the proper spacer kits. The ST-C028 stem is available in effective lengths from 80-140mm in 10mm increments, and generally only available by special order. Please contact us at 800.627.6664 or sales@excelsports.com to inquire about availability.

Features

  • Stem specific to Cervelo S5 disc brake 2019-2022 framesets, part of a modular stem-bar system
  • Hollow UD carbon V-shape construction is light, stiff, strong, reinforced at attachment points
  • Designed for use with Cervelo AB08 Carbon Handlebar
  • Works only with S5 Carbon Fork with special steerer tube design
  • Allows for fully internal cable/housing/wire routing down into the frame
  • Sold as stem with two rubber grommets; does NOT include bolts and other hardware, spacers
  • Generally only available by special order
  • Sizes made: 80, 90, 100, 110, 120, 130, 140 mm
  • Finish: UD satin carbon