Protection level: These are medium-duty protection

Cons: Sizing is crucial

Retention System: Retention duties are handled by the Roc Loc Air system which works in tandem with the extensive internal venting to maximise airflow up and through the helmet

The anodised aluminium is built for longevity while the scale includes metric and fractional spoke length markings

Shimano SH-GR501 Flat Pedal Shoes - EU 42 - Olive PLP|EMTB Optimised Protection level: These are medium-dutyThe Shimano SH GR501 is a performance flat pedal shoe with low key, understated styling that won't look out of place when you're off the bike. The durable synthetic upper is perforated for breathability, and reinforced toe and inner ankle zones protect you from ouchies caused by your cranks or sniper rocks. Shimano's proprietary rubber outsole provides excellent grip on your pedal pins as well as on the trail when you need to get off and push. The