Colony official bmx stem rainbowryan guettler signature stem new for 2014 machined recess for top fork bolt cap featuresfull cnc machined from 7075t6 alloy stronger lighter than 6061t6 stems super lightweight yet simple design classic front load 6 bolt system 52mm reach comes with 6 solid bolts removable gyro plate available seperately which fits all colony stems weight 248 grams 8 74ozbuy colony components from chain reaction cycles the worlds largest online bike store