The DURA-ACE RD-R9250 12 speed Di2 electronic rear derailleur integrates the system charging port and a wireless connectivity unit all while delivering super fast, precise shifting worth of any podium. A single cage length shifts cassettes from 11-30 to 11-34 bringing new versatility to the world's best road component group.
- Compact SHADOW design includes an integrated wireless unit, charger, switch and LED status indicator.
- Wider range capacity: compatible with 11-30 and 11-34T 12-speed cassettes
- Fastest ever rear shifting, 58% faster than RD-R9150
- Integrated D-FLY Connectivity
- Maximum low sprocket: 34T
Bike shipping: $100 for non-electric bikes; $250 for e-bikes.
Higher rates apply to certain long-distance destinations, including Newfoundland and Labrador. Additional charges may apply to remote or rural locations and oversized or overweight items.
Free standard shipping on eligible orders over $150, excluding bikes and e-bikes.
Your shipping charge is shown at checkout before you place your order.
Signature required on delivery for all bikes and e-bikes, deliveries to apartment buildings, and orders of $300 or more.
- Request deadline: Within 7 days of receiving your bike or 14 days of receiving other items.
- Condition: Brand-new, never used, and in original packaging. Bikes must be never ridden.
- Final sale: Sale and special-order items cannot be returned or exchanged. A discount code on a regular-price item does not make it final sale.
- Return deadline: Approved items must reach us within 7 days of approval.
- Processing fee: 5% of the amount paid for returned items, excluding taxes and shipping, is deducted from your refund—even for returns brought to a store.
- Shipping: You pay return shipping or may bring approved returns to either store. Original delivery charges are non-refundable.
- Start a return: Submit our Online Orders Support form and wait for approval before returning anything.
For answers to frequently asked questions, visit our FAQ page.
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