• Enhance your road cycling performance with this 9-speed cassette, offering seamless gear transitions and optimal power transfer for a smooth and efficient ride
• This cassette provides a wide range of gear options to tackle various terrains and gradients, ensuring you're equipped for both flat stretches and challenging climbs
• High-tensile steel plate nickel-chromium treatment, hollow design, reduce weight
• The surface is specially treated to make it have strong oxidation resistance, prevent cassette from rusting, longer service life

Specification:

• Material: Steel
• Model: 9 Speed 11-30T/9 Speed 11-34T
• Applicable: road bikes, mountain bikes, folding bikes
• Teeth Ratio: 11-13-15-17-19-21-23-25-30T 319g  Applicable: road bike/folding
• Teeth Ratio: 11-13-15-17-19-21-24-28-34T 327g  Applicable: mountain bike