Compatibility wiht for 212 234 236 196 Gx200 GX160 CT200U CT200U-EX BT200X CT100U Baja DB30. Suitable size: With a size of 211 x 44.5 x 4.8 mm/8.7x1.8x0.19inch, this chain adjustment block provides an ideal fit for your motorcycle .Notice! Please do not adjust the chain too tightly, as it may cause abnormal wear and damage to the sprocket. Adjust it in a timely manner to maintain the tightness of the motorcycle chain between 10mm and 15mm. Simple Installation And Disassembly: Reduce maintenance costs. Compared with completely replacing the chain, using a tensioner can significantly reduce maintenance costs. At the same time, the simple design allows users to quickly install and disassemble, saving time and effort More safe: Bicycle chain tensioner kit improves riding safety. This adjuster can accurately adjust the chain tension to that the chain remains in optimal condition, prevents teeth from skipping or falling off, and improves riding stability and safety Improve performance: Improve power transmission efficiency and reduce friction, properly tensioned chain can significantly reduce friction, making smoother, improving the vehicle's power transmission efficiency and ensuring higher riding performance Color: As Shown Material: Metal Package Contents: 1 x Chain Tensioner kit For 212cc Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.