Title Form Lock-On Grips - Black - Single Lock On Grips - XL PDP|PLP|Brake Rotor Type The windproof

The windproof

Installs on pretty much any bike including 27

1x lower support tube

and you probably won't want to wear them very often so they won't do you much good

Title Form Lock-On Grips - Black - Single Lock On Grips - XL PDP|PLP|Brake Rotor Type The windproofThe Form Lock On Grips combines their top selling single ply grip pattern with a reliable lock on clamp. Developed with direct feedback from their athletes, these grips provide exceptional control and comfort on every trail. Consistent performance ride after ride these grips have the perfect combination of tackiness, durability, and cushioning to keep you riding from all day long. Specifications Regular Diameter = 30. 5mm XL Diameter = 34mm 135mm