For A Mountain Bike, The Vbestlife Single Speed Freewheel And, Tooth Sprocket.

Specification: Item Type: Bike Freewheel Kit Material: Steel 16 Tooth Flywheel Size: Inside Diameter: Approx. 35mm/1.4in Outer Diameter: Approx. 70mm/2.8in Flywheel Tooth Number: 16 Package List: 1 x Flywheel 1 x Sprocket 1 x Chain Note: Manual measurement please allow some errors.

• The bicycle freewheel chain kit is made of high quality steel, corrosion resistant and has a long service life.
• The bike freewheel kit is made of high quality forging process for hardness and no deformation.
• Inside Diameter: Approx. 35mm/1.4in. Outer Diameter: Approx. 70mm/2.8in. Flywheel Tooth Number: 16
• The bike freewheel kit is suitable for converting bikes, go karts, beach bikes, mini scooters etc.
• Simple to be removed or installed by freewheel tools.