Welcome to the "ZTTO Official Store"! Item Name: Quick Release Skewer Material: Metal,Titanium Alloy Size Details: 130mm: Front: 74mm/2.91", Rear: 130mm/5.12" (Approx.) 135mm: Front: 100mm/3.94", Rear: 135mm/5.32" (Approx.) Because of its lightweight and compact size, it is easy to use and labor-saving. You can use it to quickly repair bicycles. Made of titanium alloy and metal material, the skewer is lightweight and durable. There are 2 models for you to choose from. It is suitable for mountain, road bikes and folding bikes. Notes: We are specialized in selling bicycle accessories, if you have a need, remember to pay attention to us! Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Front Quick Release Skewer 1 x Rear Quick Release Skewer