Elite Su-sta Adjustable Riser Block Stack Height-27 PowerZone Technology for better ankle

PowerZone Technology for better ankle support and stability

0 Geometry values from model-year Spark 960 resources

The 303 is faster lighter and more capable over varied terrain—whether the surface is pavement in all its conditions or no pavement at all

Spend less for chainring swapping by buying only the chainring

Optimized for use with KMC e9 X9 and X9 SL chains Range 11-32 Cogs 11-13-15-17-19-21-24-28-32 Cassette Body Type Shimano HG Drivetrain Speeds 9 Color Black Defined Color Black

Elite Su-sta Adjustable Riser Block Stack Height-27 PowerZone Technology for better ankleElite Su sta Adjustable Riser Block. Simulate both flat terrain and slopes perfectly with anti slip rubber feet to eliminate handlebar vibrations. Unique design with 5 levels lets you adjust the height of your front wheel to simulate hill climbs up to 6%.