Shimano UN26 Square Taper Bottom Bracket Size:68 x 122.5mm It delivers 20% more water

It delivers 20% more water per sip while keeping weight positioned low on your back

Crux on/off valve and Quick Link connector

dryer membrane is needed

dual spring mechanism

Liquid Grease reduces the coefficient of friction through Polymer Technology

Shimano UN26 Square Taper Bottom Bracket Size:68 x 122.5mm It delivers 20% more waterShimano UN26 Square Taper Bottom Bracket Great value sealed cartridge UN26 Bottom Bracket with square tapered spindle. Great value sealed cartridge UN26 Bottom Bracket with square tapered spindle Sealed cartridge bearing assembly maintenance free sealed cartridge keeps out dirt, mud, and water Fast and easy installation without adjustment Shell Width: 68mm or 73mm English Thread