Bici da strada profondità 30/40/50 mm ruote freno a V clincher ruote con mozzi 36T

Planetary gear structure 36T ratchet, support 8-9-10-11 speed. 30mm 1600g; 40mm 1900g; 50mm 2240g. Planetary tooth structure, front two and rear four Peilin hub. Front wheel 100mm, rear wheel 130mm. Reduced weight aluminum alloy rim, front 20 holes and rear 24 holes.

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