aero 63 ii disc wheels MTB Boost wheels Shifters: R9 Series 2*11s Carbon

Shifters: R9 Series 2*11s  Carbon HYDRAULIC SHIFTER

Model: HBA9

AERO 52 II : External: 27

Features：

down 1- 1/2" Seatpost 31

aero 63 ii disc wheels MTB Boost wheels Shifters: R9 Series 2*11s CarbonIntroduction This 63mm deep, 25mm internal width road disc brake wheelset is purpose built for flat out sprints and triathlon TT racing. The optimized carbon layup balances aerodynamic stiffness with low weight, while the wide inner rim pairs perfectly with wider tires to significantly reduce rolling resistance and improve crosswind stability. The upgraded D91 hubs feature a 45T ratchet for instant, lag free engagement; the titanium freehub body