US$ 29.28
hjc bluetooth helmet speakers Spirit Style:Dual Battery ModelNumber=H3183 HJC RPHA 11 Pro The RPHA 12 Helmet
HJC RPHA 11 Pro Cal Crutchlow Replica Black Helmet
Look for thick, contoured shoulder straps with at least 10mm of foam, and a breathable mesh back panel (solid foam backs turn into sweat pools)
ModelNumber=H3183
Style:Dual Battery
Dimensions: 9.0" w x 12.0" h x 4.75" d with 26.5" adjustable strap and 2.75"
The RPHA 12 Helmet is a masterpiece of engineering