JetBlack Smart Turn Block New In Lightest-weight T-Type cassette shaves additional

Lightest-weight T-Type cassette shaves additional 25g from benchmark XX SL cassette

Precise adjustment: Lazer TurnSys systemMagnetic buckle: easy to operate with glovesHelmet shape: cut-outs for sunglasses comfortType: MTB helmetSize: L (58–61 cm)Color: matte mint

Compatible with XD (With SRAM Supplied Spacer) and XDR 11 and 12 speed specific cassettes

and allows plus-size tyre use without negative squaring off of tyre profiles

JetBlack Smart Turn Block New In Lightest-weight T-Type cassette shaves additionalThe JetBlack Smart Turn Block has been designed to level the front wheel and to allow freedom of movement for comfort, as well as for freedom and enjoyment of easy steering in Zwift. When your bike is mounted on the trainer, it raises the back of your bike by a few centimetres, compared to the front, and restricts movement though the handlebars with the front wheel on the floor. This means that without a turn block, you will slip forward on your seat