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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Pay in 4 interest-free payments of $6.76 Learn more
Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Shimano A: Ball bearing size Bottom and top 4mm(inner) x 7mm(outer) x 2.5mm(thickness) Shimano B: Ball bearing size Bottom: 5mm(inner) x 9mm(outer) x 3mm(thickness) Top : 4mm(inner) x 9mm(outer) x 4mm(thickness) Question

Model: LY506

The X-Air UL Back System consists of a stretchy mesh panel suspended from the pack on a 6mm alloy frame, allowing plenty of air circulation to prevent sweat condensing on the back

Ozone 28@ 5lbs 24@ 4.5lbs 18@ 4 lbs

Department of Transportation ECE Economic Commission for Europe SNELL Independent high-standard safety testing Never buy a helmet without proper certification labels

I experienced no slippage or issues with any of the adjustment straps or closure systems

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