HOPE derailleur roller set Jockey Wheels 11t teeth / Silver Hope 11t Jockey Wheels are machined from a solid billet of aircraft grade aluminium to replace your tired, wobbly old jockey wheels. They are a great looking bit of bling for your bike. These may 'only' be replacement jockey wheels but Hope have still put in their very best efforts to ensure you're getting a quality component . Features stainless steel sealed roller bearings with low contact seals for reduced drag and labyrinth style spacers to protect the bearings from the elements, dirt and other detritus. This improves the longevity and reduces the maintenance of these Hope jockey wheels. Technical: Material: 2014 T6 aluminum Teeth: 11t / 11t Manufactures Confirmed Weight: 36.5g (1 pair). Note: These Jockey wheels do not fit SRAM rear mechs with two pin wheel location.