WHEELS MANUFACTURING ROAD ENG SHIMANO 24mm ACB BRG GY 13 SPEEDExternal English (BSA) threaded road bottom bracket for 68mm shells Direct replacement for Shimano HollowTech II bottom brackets, compatible with other 24mm spindles Includes Enduro silicone dust seals, 2. 5mm aluminum BB cup spacer, 2 . 5mm spindle spacers, 2 1mm spindle spacers Angular contact bearings
Replacement chain guide wheels for Sun Seeker recumbents
108mm or longer when used in a 73mm wide shell
Differing number and location of pins and shifting zones according to chainring combination ensures optimum location of shift zones during pedal stroke
Enduro ABEC 5 Angular Contact sealed bearings
Ranges and steps designed specifically with the ability to perform on and off the beaten path
Sturdy and dependable 6061-T6 alloy construction
T47 threaded BB cups for T47 frames and 24mm diameter spindle cranks
compressionless gear housing
Fits only Shimano XT M8000 and MT700 cranksets
One of a kind special oval shape that helps you climb easier and faster
improved shifting performance & enhanced durability
Finest design to provide excellent weight to strength ratio