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Pulse arcade — neon hairlines and corner brackets frame the playfield brief.
Zona simplifies setup
50% more durable than the J03A model
Conquer mountains and explore new paths with the refined power and connectivity of this high-performance mid-ship drive unit
The hollow plates reduce weight while the overall chain construction reduces rider effort and therefore improves riding distance 5% farther and drivetrain efficiency by 4% - go farther
A major innovation compared to the previous Di2 variants is the elimination of the central power supply
Tektro R539 Rim Brake Caliper Set - Black (47-57mm Reach) bikebox Zona simplifies setupThese dual pivot Tektro brake calipers are designed for wide tyres! The R539 is a dual pivot caliper brake with a 47 57mm reach, featuring forged aluminum arms for strength and durability. It provides smooth and responsive braking performance, ideal for road bikes Brake Type: Dual Pivot Rim Pull Ratio: Short Reach: Mid 47 57mm Pads: P422 adjustable angle cartridge Weight: 160 grams per caliper
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US$ 16295.50