Profile Design 52a Aluminum Aerobar Extensions - 400mm, Black, Performance-Optimized Cycling Bar Ends Size_10ml (0.34oz) and mastering technical climbing skills

and mastering technical climbing skills

lightweight integrated heel cup that provides stability and prevents deformation during intense rides

Its robust build resists wear and deformation

flexible silicone or durable nylon components

The spider's optimized geometry ensures smooth shifting and chain retention

Profile Design 52a Aluminum Aerobar Extensions - 400mm, Black, Performance-Optimized Cycling Bar Ends Size_10ml (0.34oz) and mastering technical climbing skills52a Aluminum Aerobar extensions provide a comfortable position for the riders hands relative to the armrests. They enhance performance by allowing the rider to relax into their optimal position, so each rider can chase their best performance. 400mm lengeh 52a extensions have a 52 degree angle for the grip. The rider can choose whether to hold high for the shrugged position or low for a more open, head up position 7. 5mm lateral shift per side,