Shimano ALTUS RD-M310 Rear Derailleur
- Spring type: Top Normal
- Min cog: 11T
- Max cog: 34T
- Total capacity: 43T
- Max front difference: 20T
- 7/8 sp
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.