





Focus on Seiko, More on Details30/33 Speed Change Kit Quality Inspection, Safety of UseQuality testing is responsible to customers Hard core frame-anti-fractureThe coarsened frame can carry more than 2 people, 50,000 rigidity tests, and the frame is strong and tough enough. Fifty thousand fatigue tests - no fractureFifty thousand anti-fatigue tests to reduce cycling risk factor 0 Maintenance Convenience - Core PowerEight gears, smooth speed, easy to ride
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