Sigma Computer Diagnostic Centre - Black Tubeless transmits and receives signals to

transmits and receives signals to and from the interface and controls and monitors the functions of the rear and front derailleur

low rolling resistance and comfort on rougher terrain

Soft on the back

Outer ring dimensions: 46-53T

Max spoke tension: 1200 N

Sigma Computer Diagnostic Centre - Black Tubeless transmits and receives signals toSigma Computer Diagnostic Centre Black With the Sigma computer diagnostic center, you can diagnose and resolve the most common bike computer issues. Features: Computer function test Computer mount function test Transmitter function test 9V battery incl. Compatible with all Sigma bike computer models Scope of deliver: one diagnostic centre Colour: Black