but what does that actually mean

Pros: These cases are compatible with wireless charging

All major bottom bracket standards

5 - 25 Nm torque wrench and an assortment of 1/4" drive Hex

Mountain bike shorts for on and off the bike

FUNN Descend EBike Headset Bottom Assembly - ZS 66-46 Dangerous Goods but what does that actuallyDescend A precision engineered headset cup. Machined from aerospace grade AL6061 and teamed up with angular contact bearings. The Descend headset guarantees super smooth control so you can focus on the trail. Technical Lower Cup ZS66 46 Steerer tube 46 mm Headtube size 66 mm Stack height 3. 5 mm Weight 100 g