Includes two wheels for XTR rear derailleur models: RD M980 and RD M985
The wheels have 11 teeth and are on sealed machine bearings.
The top caster with holes.
Bottom caster with chamfered edges, which allows to better guide the chain on uneven surfaces.
Both wheels have machine bearings.
Weight: 18 grams (top and bottom).
Product code: Y5XC98110 or Y5XC98140
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