Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load
Close ratio gearing allows a more efficient use of energy through finer cadence control
Sprockets are cut away and drilled to reduce weight without reducing rigidity
Nickel-plated finish offers hard wearing resistance to corrosion
Corrosion-resistant steel cassette lockring
For Super Narrow 9-speed HG chains
At Bike Doctor, we offer FREE Ground Shipping on all orders over $150 with a few exceptions. Bikes, Trailers and Wheels require a separate shipping quote because of their non-standard shipping sizes.
When you order any of these items online there will no charge for shipping shown at checkout. Our Customer Service Team will contact you once your order has been accepted, and they will arrange the most cost effective and convenient shipping method to your address in Canada.