Profile Design 39a Aluminum Aerobar Extensions - Aluminum 400mm Black MFPN=RS-60-01 Color Black Flat Protection Tread

Color Black Flat Protection Tread and Sidewall TPI 60 Defined Color Black ISO Width (mm) 66 ISO Diameter 584 / 650b / 27

Fits wheel dimensions 3-5ΓÇ¥ to enable transport of fatbikes

Color Blue Ring Position/Type Chain Retaining Single Ring Tooth Count 36 Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Chainring BCD 104 Material Aluminum Defined Color Blue

Recommended for tires 25 - 30mm wide

5-75mm B1+

Profile Design 39a Aluminum Aerobar Extensions - Aluminum 400mm Black MFPN=RS-60-01 Color Black Flat Protection TreadProfile Design 39a Aluminum Aerobar Extensions Aluminum 400mm Black. 39a Aluminum Aerobar extensions provide a comfortable position for the riders hands relative to the armrests. They enhance performance by allowing the rider to relax into their optimal position so each rider can chase their best performance. 39a extensions have a 39 degree angle for the grip. The rider can choose whether to hold high for the shrugged position or low for a more open