?Axle diameter: about 6 mm. Skewer Length: 56 mm. Weight of only 38 grams. ?It allows you to adjust the seat height quickly and easily without tools. ?Smooth cam action lever. Extruded CNC machined alloy nut. ?Material: Alloy Construction; Compatible to road bike and mountain bike. ?Quick release design which allows you to adjust your bike seat height quickly and easily.

Style: Modern. Color: Black. Brand: Lohas Select. Material: Metal. Date First Available: May 20, 2019. Best Sellers Rank: #49,204 in Sports & Outdoors. Customer Reviews: 4.5 out of 5 stars 884 ratings 4.5 out of 5 stars. : B07RXNKJTL. Style: ?Modern. Part Number: ?KCG521. Manufacturer: ?Lohas Select. Material: ?Metal. Color: ?Black. Brand Name: ?Lohas Select. Package Weight: ?0.03 Kilograms. Item Package Dimensions L x W x H: ?4.09 x 3.07 x 0.75 inches.