1, one-way bearing configuration, 0.2, instantaneous inverse stop system. 3, high speed ratio 6.3:1. 4, can be precisely adjusted magnetic braking systems. 5, is convenient to disassemble left cover 6, easy to operate the clutch button 7. High strength gear materials. 8, comfortable hand balances to 9, bearing number: 10 8+1. metal line cup. 11, imported high-quality stainless steel bearings.
Volume: 0.28mm/120 0.3mm/100 0.26mm/150