Surly TPU Tube

The primary advantage is weight reduction. TPU is significantly lighter than butyl rubber, which reduces rotational mass and makes your fat bike feel more responsive on the trail.

This tube is engineered specifically for the dimensions of the Surly Molenda tire. While it may physically fit other 24-inch tires with similar width profiles, we recommend sticking to the manufacturer's compatibility guidelines to ensure the tube maintains its structural integrity and doesn't stretch improperly.

Yes, that is one of its key strengths. Unlike some standard tubes that can fold or pinch when run at extremely low pressures, this TPU construction is designed to maintain its shape and structural integrity, helping you keep that consistent contact patch for better traction.

TPU tubes are generally more sensitive to heat and friction than rubber tubes. It is crucial to ensure your rim tape is in perfect condition and that the tube is seated correctly inside the tire before inflating to avoid any potential pinch flats or heat-related damage.

This product is designed specifically as an inner tube. If you decide to convert your wheelset to a tubeless system, you will need to remove this tube entirely and use tubeless-specific rim tape and sealant.