Aero Bar Extension and Armrest Kit for Road and Mountain Bikes Key benefits Improves rider comfort on long rides with a dedicated arm support cup and padded armrests. Provides a wide range of fit by allowing adjustment of armrest length, angle, and width. Enhances riding position options by enabling armrest orientation and position for a comfortable, stable stance. What it is A clipon aero bar extension kit designed for road bike handlebars, clipon aero bars, and mountain bike handlebars. Includes adjustable armrests and pads to support the forearm and optimize comfort and control. Installation and setup Easy to install, complete set, ready to mount and use. Installation notes: the two mounting screws that fix the handlebars must be tightened synchronously to ensure the same locking depth before and after installation, to avoid damage from uneven screws. Adjustability and fit Armrests with adjustable features: Armrest length can be changed Armrest angle can be changed Armrest width can be changed Armrest angle and position can be changed This flexibility allows a suitable riding position to suit different body sizes, riding styles, and terrain. Comfort and fit Armrests and pads are included to provide a larger fit range. A support cup for the arm helps reduce fatigue and increase comfort during extended rides. Compatibility and applications Compatible with road bike handlebars, clipon aero bars, and mountain bike handlebars. Suitable for converting standard handlebars to an aerofriendly setup without compromising control. Use scenarios Endurance road cycling: extend the arm support and adjust for a comfortable, efficient upright or aero position on longdistance rides. Performance or timetrial focused riding: finetune armrest angles and positions to achieve a more aerodynamic posture while maintaining stability. Mixedterrain or commuting setups: adapt the extension kit to road or mountain handlebars for added comfort on varied riding surfaces and daily use.