Sram Rival XG-1250 12 Speed Kassette Gearing:10-30 Extensions have a diameter of

Extensions have a diameter of 22

Improve your swimming training with the Sailfish Power Brief

These fins are designed to increase the efficiency of your training and are used by many swimmers around the world

provided your wheels are compatible

It not only upgrades your storage capacity

Sram Rival XG-1250 12 Speed Kassette Gearing:10-30 Extensions have a diameter ofSRAM Rival XG 1250 12 Speed Cassette Versatile and reliable performance The SRAM Rival XG 1250 12 speed Cassette is designed for riders who want a reliable and efficient cassette for modern road and gravel riding. With precise shifting, solid durability and a wide gear range, this cassette is an obvious choice for both training and competition. The Rival series combines SRAM's proven technology with high functionality, without compromising on quality