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Item Specifications Color Black Material Aluminum Chainring BCD 94 Defined Color Black Ring Position/TYPE Chain Retaining Single Ring Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Tooth Count 32
Alpina alloy locking hex-head nipples
5mm chainline
This 155mm version only uses a shorter overall length
Shimano BT-DN300 Internal Di2 Battery One size Black Default:Default Item Specifications Color Black MaterialBattery Shimano Di2 BT DN300 Internal Power your ride An internal D12 battery ready to power the next generation of Shimano R9250 & R8150 Di2 drivetrains. Retaining the same size, mounting, and long battery life as its predecessor, the BT DN300 Internal Di2 Battery includes an integrated junction and makes wiring the rear triangle of your bike easier than ever. Two individual wires go from the battery to each derailleur. For fully wired bikes, a third
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