JetBlack Volt Electromagnetic Direct Drive Smart Trainer Envelope Shipping These rings fit any SRAM

These rings fit any SRAM 76 BCD spider or Specialized Stout crankset

BB30: 49mm chainline

Extra-large grip pads for shock absorption and comfort

puts an end to ghost shifting and reduces shift force and chain slap

JetBlack Volt Electromagnetic Direct Drive Smart Trainer Envelope Shipping These rings fit any SRAMThe Volt is a rider optimised, performance driven direct drive trainer that has been designed with industry standard protocols and electronics to seamlessly connect with most popular training platforms. The Volt is extremely quiet and uses an electromagnetic system to control the resistance. Jetblack has drawn on the expertise of pro riders and coaches to fine tune the acceleration, inertia, and applied resistance as well as establishing an outputted