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Tiagra BR-4770
No MIK system
Do not iron
the Zecto Drive Max 400+ Rear offers a maximum runtime of up to 70 hours in Femto mode
It can be applied to the chain and drivetrain too
SRAM Rear Derailleur XX1 Eagle AXS 12 speed (Battery Not Included) 00.6118.573.000 Tiagra BR-4770SRAM Rear Derailleur XX1 Eagle AXS 12 speed (Battery Not Included)More than a mechanical derailleur with a battery and a motor bolted on, the Eagle AXS derailleur is the heart of the whole AXS system. It features a shorter cage for 10mm more ground clearance, with more chain wrap on the cassette to sit slightly further forward, and further inboard from mechanical Eagle. Instantaneous shifts from a single touch even while under World Cup winning chain