Park Tool - BXB-1 - Backpack Harness For BX-1 & EK-1 Bells The low profile design avoids

The low profile design avoids damage from rocks whiles SHIMANO's chain stabilizing technology reduces chain drop and makes for a quiet drivetrain in all gear positions

Woojin buckles have been chosen for strength and reliability

Easy to fold and deploy

leaving you less fatigued and more powerful over time so you can still push while they suffer

Park Tool - BXB-1 - Backpack Harness For BX-1 & EK-1 Bells The low profile design avoidsPARK 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