• Universal threaded mouth, more firm fit, not easy to loosen during riding

• Sealed bearing design, sturdy and durable, protect the spindle from water and dust

• Stainless steel non-slip pins design for increased grip

• L/R letter printed, convenient to recognize

• Reflective design, bring you more protection while riding at night

Specifications:

• Brand: ROCKBROS

• Material: aluminum alloy

• Number of bearing: 1 bearing + 1 DU

• Size: 7.5*9cm