Enduro CO 6802 15mm x 24mm x 5mm Hub Bearing - 15mm - 24mm - 5mm - ABEC-5 Ceramic Radial Bearing - Black Oxide PLP|Largest Cog Another benefit of the parallelogram

Another benefit of the parallelogram only moving horizontally is that if you do hit the derailleur on an obstacle

Requires BBT-22 bottom bracket tool for removal and installation

The stiff half-rim frame keeps the lens in right place

CamelBak has solved these issues with their Podium bottle

Enduro CO 6802 15mm x 24mm x 5mm Hub Bearing - 15mm - 24mm - 5mm - ABEC-5 Ceramic Radial Bearing - Black Oxide PLP|Largest Cog Another benefit of the parallelogramCO 6802V Enduro Zero, Black Oxide, Ceramic Hybrid, ABEC 5, radial bearing (C3 clearance) 15 x 24 x 5mm Enduro Zero, Ceramic Hybrid, ABEC 5, radial bearing featuring black oxide treated 52100 High Carbon chromium alloy races paired with grade 5 Silicon Nitride Ceramic balls with 90% fill, high pressure, water proof grease. Si3N4 ceramic balls reduce bearing wear and increase bearing life by eliminating steel on steel contact within the bearing. Black