SHOKZ OpenSwim Waterproof Bone Conduction Sport Headphones - Black Brand_Vittoria Remarks w/Bumper on pully cage

Remarks w/Bumper on pully cage Compatible chain HG 12-speed Total capacity 41T B-axle_Hollow axle ✔ Mount_Direct attachment (Conventional) ✔ Fluoric coated link bushings 7 Low sprocket_Max

3 x 7-speed

_Thru (mm) 148

VENTILATION 19 VENTS AND DEEP INTERNAL CHANNELING

SHOKZ OpenSwim Waterproof Bone Conduction Sport Headphones - Black Brand_Vittoria Remarks w/Bumper on pully cageOPENSWIM(Formerly Xtrainerz) *NOT BLUETOOTH COMPATIBLE. MUSIC PLAYER ONLY. OpenSwim takes open ear listening to new depths. The IP68 waterproof design withstands total submersion in up to 2 metres of water. With up to 8 hours powerful battery life and 1200 songs storage, you can continuously enjoy the extraordinary underwater sound quality. Its the unbeatable choice for swimming. 4 GB of MP3 Storage (Up to 1200 songs) 8 Hour Battery Life IP68