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Cage SGS Max Front Difference 20T Maximum Cog 34T Minimum Cog 11T Primary Color Black RD Capacity 43T Speed 6/7/8
Inner Step Outer Diameter: 41
optimized for trail use
Quick view indicator for the position of front and rear gears
Ario/Monarch 2008-2010
BT-DN300 Di2 Battery Mirrors Cage SGS Max Front DifferenceThe new DN300 Built In type battery features the same waterproof design that Di2 users have loved for generations. Now with 3 ports, it delivers stable power to Shimano's 12 speed road derailleurs (and shifters if a fully wired option is selected). Compatible with thinner next generation electric wire SD300 and systems after R9250 R8150 series Li Ion type Capacity: 500 mAH 3. 7Wh ( 2000km autonomy) Rated voltage: 7. 4V Charges through RD R9250 RD
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