Park Tool - BXB-1 - Backpack Harness For BX-1 & EK-1 Stands then the shorter drive cup

then the shorter drive cup with orange elastomer threads into

The Geiszler is a stepped adapter designed to work with every thru-axle fitment currently on the market: 12X142

We also kept them short (1" or 25mm for all sizes) to reduce the chance of them caming off of the top cap under torque

when trying to remove stubborn cups

creating a stable and rigid chassis that maximises ventilation and works alongside hydrophobic coatings to prevent fogging

Park Tool - BXB-1 - Backpack Harness For BX-1 & EK-1 Stands then the shorter drive cupPARK TOOL BXB 1 BACKPACK HARNESS FOR BX 1 & EK 1 A comfortable backpack system for carrying the BX 1 Blue Box Tool Case. Padded shoulder, waist and chest straps. Handy accessory pouches. Fully adjustable. Specially designed to carry the Blue Box on your back. The BXB 1 is a well built, secure and comfortable backpack system complete with padded shoulder straps, handy accessory pouches, plus waist and chest straps. The BXB 1 is fully adjustable and set