Garmin Tacx Smart Network Adapter MFPN=ABRT000137 narrow-tooth chainring technology provides maximum

narrow-tooth chainring technology provides maximum chain control Ultra-light hollow carbon fiber crankarms are 29 g lighter than previous generation DUB bottom bracket adds durability and simplicity Can be upgraded to a power meter SRAM Model ID: FC-RED-1-E1

and double-pole like it means it

The Asthma mask comes with two sport/asthma filters

Exceeds all ISO safety standards

Black / Race Blue / Process Blue-X

Garmin Tacx Smart Network Adapter MFPN=ABRT000137 narrow-tooth chainring technology provides maximumTacx smart network adapter uses a connection with Ethernet or Wi Fi technology to create a more stable connection for Tacx NEO 3M Smart Trainers. When plugged into the rear port of Tacx NEO 3M, this accessory offers a stronger connection for users riding and training in virtual platforms or competing in cycling eSports. TECH SPECS