Bosch motor spindle

and 3-position compression (open/pedal/firm)

which is proven to reduce the risk of concussion by up to 30% and rotation forces upon impact by 40%

Shimano took the flat side a bit further

If you ride XC and Trail

DHaRCO Men's Gravity Long Sleeve Jersey - L - Desert Sessions Ignore Wholesale Tier 2 Brand Rule Bosch motor spindleThe DHaRCO Men's Gravity Long Sleeve Jersey is for riders that shred hard. Made from a lightweight and comfortable, quick dry recycled polyester, this jersey has been designed so you can shred the trails all day in comfort. Who's this item for: Perfect for Trail, Freeride, Enduro and DH Riders. It's targeted towards riders looking for a mid range durable and breathable jersey. Sleeve Length: Long Sleeve with mesh side panels to increase airflow Fit