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

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

It features dual-molded side panels and is made from weather-resistant 600 denier polyester

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.