SRAM AXS Ultralight Carbon Rear Derailleur Upgrade Kit — D1 & E1 Compatible — Save Up to 100g
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Ultralight carbon rear-derailleur upgrade kit for SRAM AXS D1 and E1 systems.
The source describes prepreg-carbon structural parts molded at 20,000 psi and states that a full conversion can save up to about 100 g, with optimized builds around 210 g total derailleur weight. It also states that Force and RED D1/E1 use the relevant shared motor-unit architecture for this upgrade platform.
Version and Part options identify the intended conversion component. Confirm the exact derailleur generation before installation.
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