Stylrtop 2 pcs 11T Aluminum Sealed Bearing Jockey Wheel Rear Derailleur Pulley for Shimano Sram Rear Derailleur Etc.;

NOTE:This product is suitable for most chains, but it may not be compatible with some narrow chains on high count cassettes (eg KMC X9.99 Chain, thanks to Glen Miller for his help and look forward to more suggestions and opinions)，and we will develop a new type of jockey wheel suitable for that narrow chains
brand:stylrTop
Bearings: Upgraded RS bearing
Type: 11T
Material: Aluminum alloy
Color: Black,Blue,Gold,Red
Package weight: 0.052 kg
Product size (L x W x H): 4.30 x 4.30 x 0.60 cm / 1.69 x 1.69 x 0.24 inches
Package size (L x W x H): 6.50 x 4.50 x 1.00 cm / 2.56 x 1.77 x 0.39 inches
Package Contents: 2 x Wheel Rear Derailleur Pulley, 4 x Accessory