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1. Material: aluminum alloy 2. Sealed bearings are more lubricated, improve smoothness and turn without pressure 3. Stainless steel anti-slip nails on both sides of the pedals, strong grip, rounded surface does not hurt the shoes anti-slip, can be disassembled and replaced after wear and tear 4. Chromium molybdenum steel shaft, strong load bearing, no breakage 5. Large pedal surface design, pedal more energy, fit the soles of the feet to ride better force 6. Standard threaded mouth, fit more firmly 7. Size: about 11.9 x 2.4 x 1cm 8. Weight: 342g/pair
