It has large collars to fit pretty much any bike around without marking your frame

Lezyne LED Remote Switch

for better ride control everywhere on the trail

But what does an expander plug do

SRAM Mountain Ceramic Bearing Grease - Bottom Brackets and Pulleys - Blue - 10ml Syringe Dropship It has large collars toThe SRAM Mountain Ceramic Bearing Grease is formulated for Road and Mountain GXP Ceramic Bearing Bottom Brackets and X. 0 Mountain Pulleys. Features: Specially formulated grease for ceramic (full or hybrid) bearing applications. For use in GXP bottom brackets and derailleur pulleys. Size: 10ml syringe for mess free application.