4 Pack Replacement Caster Wheels for Treadmill and Exercise Bike with 55x18mm Outer and 8/10mm Inner Shaft (ID 8mm)

• [ NYLON MATERIAL] Constructed from robust nylon, these caster wheels smooth and quiet rolling, protecting your floors while minimizing noise from your treadmill or exercise bike.
• [COMPATIBLE SIZING OPTIONS] With an outer diameter of 55 mm and inner diameter choices of 8 mm or 10 mm, these wheels fit most exercise equipment. Always measure your old wheels to a perfect match.
• [EASY INSTALLATION] Simply slide the wheels onto the shaft and secure them in place. Designed for low maintenance, these wear-resistant wheels promise a long-lasting performance.
• [SUITABLE FOR VARIOUS SETTINGS] Ideal for home gyms, commercial studios, and office fitness areas, these caster wheels enhance mobility and simplify cleaning tasks.
• [SIZING REMINDER] Please check your equipment's shaft diameter before purchasing. Choose the size that fits your needs.

Features: *Durability nylon material for smooth, low-noise rolling, protecting floors and making treadmill/exercise bikes quieter and scratch-free. *Dimensions: Outer diameter 55 mm (2.17"); thickness 18 mm (0.71"); inner diameter options 8 mm (0.31") or 10 mm (0.39"); select the size that matches the shaft diameter. *Compatible with most treadmills and exercise bikes using 55 mm casters and 8 mm or 10 mm shafts; please measure the diameter of the old wheel and shaft before purchasing. *Easy installation: Slide onto the shaft and secure. Nylon is wear-resistant and moisture-resistant, offering low maintenance and a long service . *Useful in: Home gyms, commercial studios, and office areas, making sure safer and more efficient cleaning and layout adjustments. Specifications: *Product Name: Fitness Equipment Caster Wheels for Treadmill Exercise Bike *Material: Nylon *Size: approx. Outer diameter 55 mm (2.17"); thickness 18 mm (0.71"); inner diameter options 8 mm (0.31") mm (0.31") or 10 mm (0.39") *Color: black *Weight: about 90g Package Content: 4 x Caster Wheels