27.2 or comes with shim to 30.9

The Mokwheel Suspension Seatpost is a durable and reliable bike accessory designed for electric bikes. Made from high-quality aluminum alloy and featuring a sleek black color, this suspension seatpost is compatible with MTB bikes and provides a smooth and comfortable ride. With a manufacturer warranty of 1 year and a seatpost height of 33mm, this accessory is a valuable addition to any cyclist's bike. Designed by Mokwheel, a trusted brand in the cycling industry, this suspension seatpost ensures a stable and secure ride for all your biking adventures.