JetBlack Trainer Skewer QR & Thru Axle Compatible RGroup_860B0A2072F63C5E4AFCAEA38CD38F2D7863F2AD B12 15% Biotin 10% Pantothenic

B12   15% Biotin   10% Pantothenic Acid   20% Phosphorus   10% Iodine   10% Magnesium   10% Zinc   10% Selenium   10% Copper   15% Manganese   10% Chromium   4% *Percent Daily Values (DV) are based on a 2

5 x 2" features a 90-degree bent Schrader valve for easy installation and inflation

Suits both 26" and 700c wheel sizes

The BPW Long Extension Bolt is designed to enable the attachment of training wheels to children's bicycles

JetBlack Trainer Skewer QR & Thru Axle Compatible RGroup_860B0A2072F63C5E4AFCAEA38CD38F2D7863F2AD B12 15% Biotin 10% PantothenicThe JetBlack Trainer Skewer QR is compatible with thru axles up to 190mm. SKU: JBT 24.