Ergon GP1 Lock On Grips - Black - Standard Length - 2020 - S Heavy/Bulky The Park Tool I-Beam weighs

The Park Tool I-Beam weighs just 91g and measures 75mm x 30mm x 17mm

stem or seat post

Air Release: The chuck has an air release button but note that this functions differently depending on what type of valve is being used

this helmet is great

Ergon GP1 Lock On Grips - Black - Standard Length - 2020 - S Heavy/Bulky The Park Tool I-Beam weighsThe original ergonomic grip. When the GP1 was released years ago, it took the market by surprise. Featuring a large platform for your palm, the GP1 offers a tremendous amount of support and reduces pressure. These are favored by riders all over the world. If you're a commuter of ride smoother XC trails, these are an excellent choice. Who's this item for: This grip is designed for XC or commuters who are looking for more comfortable grip. This grip can