2XU Women's Aero Tri Singlet Black/ Coral Run Accessories_Hydration Packs The Coated Bearing has the

The Coated Bearing has the same balls running on hardened-steel races with a 3-micron thick metallic coating making the races harder and smoother

Trek developed their own bb standard to optimize their frame designs

durable machined aluminum body with integrated cooling fins and cutouts for 180° of front visibility

Includes clips and straps

2XU Women's Aero Tri Singlet Black/ Coral Run Accessories_Hydration Packs The Coated Bearing has theThe Aero Tri Singlet features industry leading aerodynamics and ventilation technologies for your best performance yet. Product details UNRIVALLED AERODYNAMICS The 3D mesh structure of premium Italian SBR VENT through upper body provides exceptional aerodynamics and is ergonically engineered to fit to your body like a second skin STAY COOL Leveraging a hydrophilic nylon LYCRA fibre matrix, SENSOR MESH panelling provides enhanced moisture and air flow