Snafu ola bmx sprocketthis lightweight sprocket is cnc machined from 7075 aluminium it can handle a lot of abuse and will not wear quickly for use primarily with a 332 chain it also comes supplied with 19mm and 22mm spindle spacers for more options when it comes to selecting a crankset featurescnc machined7075 aluminium19mm and 22mm spindle spacers includedfor use with a 332 chainweight 60gbuysnafu componentsfrom chain reaction cycles the worlds largest online bike store