Sunrace Mz903 12 Speed Wide Ratio Cassette - Silver/black 11-51Features 12 Speed Wide RatioA7075 39 45T 51T SprocketAlloy SpidersAlloy Lockring & Spacers Specifications Colour: Silver Black, Silver RedWeight: 497g

Height: 22mm

Anodized alloy 2-finger brake lever

Leading edge steps for fast rolling (like a ramp)

overall measurements increase once attached to mounting bracket

- Reflective stripe for safety around traffic

the stand has to be mounted with the counter plate

Ideal for MTB

and an integrated Dash Handle‚Ñ¢ for easy transport

for tailored lasting comfort

smooth modulating pad compound with a cooling fin equipped back plate which provides consistent

Optimized gear combination and gear ratio

you can simply add spacers