Feature 1Quite sturdy and durable frame. Foldable and intelligent design for easy operation. 2With a compact design, the stand won't take up much space. 3The measuring part is made of plastic to protect the wheels from scratch. 4Twist knob to transform the notches. Ruler and thimble for observing the swing condition of your rim. 5Upper notches to fix front wheels on the truing stand, lower notches to fix rear wheels.SpecificationFeatures: Quite sturdy and durable frame. Foldable and intelligent design for easy operation. With a compact design, the stand won't take up much space. The measuring part is made of plastic to protect the wheels from scratch. Twist knob to transform the notches. Ruler and thimble for observing the swing condition of your rim. Upper notches to fix front wheels on the truing stand, lower notches to fix rear wheels. Great for the home use as well as the team use on race days. Suitable for 100MM front flower drum drive, 135MM back flower drum drive. Specifications: Condition: 100% Brand New Material: Aluminum Alloy Size: Approx. 28*30*36*47*26*14cm/11.0*11.8*14.2*18.5*10.2*5.5inch Package list: 1 * Bicycle Wheel Truing Stand .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }