See: T-Work’s Products

T-Work’s have introduced new DLC coated front lower arm, front upper arm and rear lower arm shafts for the Kyosho MP9 TKI3/4 and Mugen Seiki MBX7R/8. The arm shafts are DLC coated for wear and provide a smooth and slick surface. The front lower arm shafts measure 4×64.5mm for MP9 and 4×63.3mm for MBX7/8, the front upper arm shafts measure 3×29.5mm for MP9 and 4×45.5mm for MBX7/8 while the rear lower arm shafts measure 4×68.5mm for MP9 and 4×64.7mm for MBX7/8.