Features:
1. Easy to Use: Just remove the rear wheel from the bike. Secure the chain holder or dummy hub to the trigger unit. Do not trip the chain when transporting or tightening the bicycle.
2. Cleaning and Transportation: It can replace the flywheel for bicycle repair or chain cleaning. When removing the wheel for cleaning, storage or transport, insert it into the notch on the rear right.
3. High Compatibility: Quick release lever allows for quick installation and removal. Fits all 8mm derailleurs and chains, suitable for frames with quick release device and 12mm thru shaft.
Specifications:
Material: plastic, aluminum alloy and stainless steel
Weight: Approx. 24g/71.5g
Size: as shown
Applicable: to all derailleurs
Packing List:
1*Chain Holder
![](https://ae01.alicdn.com/kf/H94760134d4d54e65ab0eb7c2babd5dc8q.jpg)
![](https://ae01.alicdn.com/kf/Hdb455cff6a4d4df5849d156621332b39X.jpg)
![](https://ae01.alicdn.com/kf/Hc65e7259c98845f59b888636515f894aF.jpg)
![](https://ae01.alicdn.com/kf/Hca351d0977f94170a1dc7710cfd04ec7D.jpg)
![](https://ae01.alicdn.com/kf/H648df085a2ee49b7a5c894bd28ffc329b.jpg)
![](https://ae01.alicdn.com/kf/H06670cb2144b457f81232b8252875e9dl.jpg)
![](https://ae01.alicdn.com/kf/H210c18cb3a7b4eafb17feadf532681efD.jpg)
![](https://ae01.alicdn.com/kf/Hed1c4cd3e12643228fef8fc2dea3dee0Q.jpg)
![](https://ae01.alicdn.com/kf/Hfb3f4dc18a684b14b6ae3daf052f6757t.jpg)