Profile Design 26a Aluminum Aero Bar Extensions - 400mm, Black, High-Performance Cycling Components Brake Type_ Optimize your bike's fit and

Optimize your bike's fit and performance with the Genetic Seatpost Shim

- ZR1 hub with ceramic bearings delivers ultra-low friction and swift engagement with 66 points of engagement for rapid acceleration

Expertly engineered for the SRS (Sole Replacement System)

providing lightweight warmth and natural elasticity

Profile Design 26a Aluminum Aero Bar Extensions - 400mm, Black, High-Performance Cycling Components Brake Type_ Optimize your bike's fit and26a 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 26a extensions have a 26 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,