Image of RSP Cassette Expansion Sprocket
OPTIONS WITH THIS ICON ARE AVAILABLE FOR CHRISTMAS DELIVERY
Black 40T Dispatched within 3-5 days ID: 77603-248736
£29.95
SAVE 24% £39.59
Add to basket
Black 42T Dispatched in 1-2 days ID: 77603-248737
£29.95
SAVE 24% £39.59
Add to basket
Blue 40T Dispatched in 1-2 days ID: 77603-248738
£35.99
SAVE 9% £39.59
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Blue 42T Dispatched in 1-2 days ID: 77603-248739
£27.95
SAVE 29% £39.59
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Red 40T Dispatched within 3-5 days ID: 77603-248740
£35.99
SAVE 9% £39.59
Add to basket
Red 42T Dispatched within 3-5 days ID: 77603-248741
£27.95
SAVE 29% £39.59
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What are the delivery costs?

We offer Free UK Delivery on all orders.

Including: Channel Islands, Isle of Man, Isle of Wight, Northern Ireland, Scottish Highlands and Scottish Islands.

Standard delivery is normally 2 - 5 working days.

International delivery costs and delivery times vary for different countries. Please see here for more information.

Christmas delivery

For guaranteed Christmas delivery please order bikes before 11am, Tuesday 20th December and all other items before 11am, Wednesday 21st December. Guaranteed Christmas delivery applies to all items with the icon, please choose your option/size to see if the specific item you are after qualifies for Christmas delivery.

Easily extend your current 36t cassette to 40 or 42t cassette.
  • 40 & 42t versions available
  • Available in Black, Red & Blue
  • Coverts 36t 10 speed cassettes to 40 or 42t
  • Compatible with most cassettes
  • Simply remove your 17t sprocket to make room for your expansion sprocket
  • Compatible with medium and long cage derailleurs
  • Extended derailleur limit screw supplied which will be required for some derailleurs