This fits your .
ODI have released an extra long version of their super popular Longneck ST grips specifically for fixed gear riders (and bmx'ers) who want longer grips. The Longneck XL grips are a massive 9" (230mm) long and feature a slimmer profile along with the option of cutting them down to whatever length suits.
Odi Longneck XL Grip - B0046GLSXC