説明
Features:
1. All-copper transmission gear stainless steel bearings, bold stainless steel spindle
2. Carbon fiber brake pads, stainless steel brake pads
3. Stainless steel waterproof bearing 12BB + 1RB, five magnetic 10 gear brake
Features:
1. All-copper transmission gear stainless steel bearings, bold stainless steel spindle
2. Carbon fiber brake pads, stainless steel brake pads
3. Stainless steel waterproof bearing 12BB + 1RB, five magnetic 10 gear brake