S-One Lifer Series Adult Helmet, Black Gloss Size:M 52mm tall for optimal performance

52mm tall for optimal performance and wheel clearance with wheels 53mm and under

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The Wino G6 Slip-On builds upon the Wino G6

Diameter 52mm 53mm 54mm 56mm 58mm Width 32

Steel Shaft Nut with nylon locking insert

S-One Lifer Series Adult Helmet, Black Gloss Size:M 52mm tall for optimal performanceThe S One Lifer Helmet is crafted with a snug, traditional soft foam skateboard helmet fit. This helmet is a break through design combining the added safety of a CPSC certified helmet with the comfort of a soft foam helmet. The Lifer is designed to emulate the Destro, with classic circular air vents and an old school look. Certified by CPSC for professional use, the S One Lifer offers max protection with a high impact EPS Foam Liner. Lightweight,