You could always save yourself a couple of hundred and get this instead - makes riding on the hoods interesting:
http://www.ebay.co.uk/itm/TW-Green-...3a5c1a1&pid=100005&rk=4&rkt=6&sd=112184857053
http://www.ebay.co.uk/itm/TW-Green-...3a5c1a1&pid=100005&rk=4&rkt=6&sd=112184857053