Description:

- 【Compatibility】: The Bicycle Single Speed Freewheel is suitable for 10/11 speeds drum conversions.
- 【Package Contain】: The package includes a 1×9mm spacer, a 1×4mm spacer, a 1×1.8mm spacer, a single speed cassette freewheel, end rings and lock rings for convenient usage.
- 【Premium Material】: This bicycle single speed cassette cog made of alloy, It boasts high strength, sturdiness, and durability for long term use.
- 【Design】: Specifically designed for the conversion of fixed gears of 6 bolt disc drum singlespeeds.
- 【Feature】: Its lightweight design won't add extra burden to your bike while its scientific design increases contact area to protect the drum body.

Specification:

- Material: Alloy

Size Chart:

16T: Inner Diameter 2.4cm/0.94inch Outer Diameter 6.83cm/2.69inch
17T: Inner Diameter 2.4cm/0.94inch Outer Diameter 7.3cm/2.87inch
18T: Inner Diameter 2.4cm/0.94inch Outer Diameter 7.7cm/3.03inch
19T: Inner Diameter 2.4cm/0.94inch Outer Diameter 8.15cm/3.21inch
20T: Inner Diameter 2.4cm/0.94inch Outer Diameter 8.49cm/3.34inch
21T: Inner Diameter 2.4cm/0.94inch Outer Diameter 8.92cm/3.51inch
22T: Inner Diameter 2.4cm/0.94inch Outer Diameter 9.27cm/3.65inch
23T: Inner Diameter 2.4cm/0.94inch Outer Diameter 9.72cm/3.83inch

Package Includes:

1pc 1×9mm Spacer,
1pc 1×4mm Spacer,
1pc 1×1.8mm Spacer,
1 Single Speed Cassette Freewheel,
1 End Rings,
1 Lock Rings

Note:

Please allow slightly errors 1-2cm differences due to manual measurement.