Attacco Manubrio Aerozine Xen 31,8mm / -0° detergente All the performance you'd expect

All the performance you'd expect from a Castelli jersey

The GP 4000 S II is recognized by all as the class leader

-10°C~50°C

Diameter in mm: 31

you’ll get detailed insights into your exercise intensity and stay updated on your training plan results

Attacco Manubrio Aerozine Xen 31,8mm / -0° detergente All the performance you'd expect6061T6 aluminum handlebar stem, fully CNC machined to ensure maximum strength, then anodized black and elegantly laser etched. 0 rise, for carbon or aluminum handlebars with a classic 31. 8 mm diameter. The bolts are made of titanium to make it lightweight and durable. Weighs only 124 grams for the 45 mm version. Suitable for All Mountain, Free Ride, DH, and Enduro use.