Bones X Formula Wheels Timeless Machine Sidecut V5 - 99A s2 - Cruisers/Mini Open back knee

Open back knee

modern trends favor a lower waist

Evertoe rubber toe cap for durability

Length: 32"

Padded collar for ankle support

Bones X Formula Wheels Timeless Machine Sidecut V5 - 99A s2 - Cruisers/Mini Open back kneeBones X Formula Timeless Machine Sidecut V5 99A About: The amazing new X Formula (XF) is another industry leading innovation from the BONES WHEELS factory. X Formula rolls over rough terrain like softer wheels do, but slides much like a harder wheel will. X Formula is offered in both 97A and 99A durometers also known as X97 & X99. Speed: X Formula is extremely fast because it has a super high rebound. X Formula rolls much smoother and faster on all