





Basic Information: 21 speed 27 speed 30 speed Frame High-carbon steel High-carbon steel High-carbon steel Front fork steel steel steel BottomBracket(BB) Sealed Integrated Bearing Sealed Integrated Bearing Hub High-carbon steel Aluminum alloy Aluminum alloy Rim Magnesium alloy Magnesium alloy Magnesium alloy Tyre XINHAIYA Brake Aluminum alloy Disc Brake Aluminum alloy Disc Brake Aluminum alloy Disc Brake Thumbshifter EF51-7 TS70-9 Sets M*10 3*10 set Frontderailleur SHIMAN0TZ-30 SHIMAN0TZ-30 Rearderailleur SHIMAN0TZ-50 TS70-9 Sets M*10 3*10 set Free wheel 7-gear 9-gear 10-gear Chain 21speed 27speed 30 speed Pedal Foldable bead pedal Foldablebead pedal Foldablebead pedal









































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