ZIPP TT Handlebars Spares | Vuka Clip Riser KitZIPP TT Handlebars Spares Vuka Clip Riser Kit Take your time trial and triathlon performance to the next level with the ZIPP Vuka Clip Riser Kit. Designed for ZIPPs Vuka Clip TT handlebars, this kit allows riders to fine tune aerobar height for a more aerodynamic and comfortable riding position. Whether you're training for an Ironman, racing in a time trial, or simply improving your aero fit, the Vuka Clip Riser Kit gives you the flexibility to