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The S1 is an economy package that has a fixed resistance mode
the post is rigid again
This is a direct replacement for OEM BSA threaded english bottom brackets for either straight 24mm Shimano (Raceface EXI and some FSA cranks) or stepped 22/24mm SRAM/Truvativ of some FSA Mega Exo cranks
5-year warranty
All Specialized Command
Fox Shox Rear Shock Mounting Reducer Kit - Alloy - 8mm x 33.8mm - 1.331 Inch YGroup_7033405112365 The S1 is an economyFox 5 piece reducer kit. This polymer reducer kit replaces the old DU bushing and aluminium reducers for less friction and longer life. Features: This design can reduce friction up to 50% over the older designs. O rings keep the elements out. The is a huge improvement over previous designs and will prolong the life. Tool free! New bushing installs by hand. Please note: Your frame's manual will tell you exactly which size you need. Some frames use
