Miche primato advanced pista track chainringthe miche primato advanced pista track chainring is a lightweight and strong chainring for singlespeed use it features precision machined teeth to securely hold your chain through the rigours of track sprinting features material al 7075 t6 total treatment anodised bcd 144mm compatibility pista 18 weight 74g44tbuymiche componentsfrom chain reaction cycles the worlds largest online bike store