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Category | SHIMANO GRX Gravel/Adventure |
Type | New item |
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Type | Pre-owned Items |
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With the Shimano GRX RD-RX812 rear derailleur, you can shift smoothly and quietly on rough terrain. An adjustable chain stabilizer and the Shimano Shadow RD+ technology counteract chain slapping and dropping. Use this rear derailleur when riding an 11-40 or 11-42 cassette.
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Series: GRX RX810 Application: Gravel, Cyclocross, City & Touring Gearing: 11-speed Mount: standard (Direct Mount compatible) Capacity: 31 teeth Compatibility: Shimano Road 11-speed Compatibility - Chains: HG-EV 11-speed, HG-X11 Technical Information: Derailleur Pulleys: 11 tooth Outer Cage Material: aluminum Inner Cage Material: aluminum Other Materials: aluminum, composite (GFRP), steel, stainless steel Compatibility: - 1x11-speed GRX ST-RX810 and ST-RX600 shift/brake levers - 11-speed MTB CS-M8000 and CS-M7000 cassettes with a large sprocket of 40 to 42 t - 11-speed chains Features: - for 1x11-speed drivetrains - adjustable chain stabilization prevents chain drops - stabilizer with on/off switch to adapt to the terrain - tension adapted to gravel - silent and continuous rear derailleur on uneven terrain - smooth and reliable shifting on mixed terrain - painted cage plates - derailleur pulley bearings - Four joint bushings, fluorine-coated Technology: Shadow RD+ Less distraction, quiet drivetrain. Rear derailleur stabilizer, reduces chain slap. A simple solution for chain drop. Lighter and more efficient than the roller type chain device. Models: long: - Largest Sprocket Teeth (max.): 42 teeth - Largest Sprocket Teeth (min.): 40 teeth - Smallest Sprocket Teeth (max.): 11 teeth - Smallest Sprocket Teeth (min.): 11 teeth - Chainring Difference (max.): 0 teeth - Total Capacity: 31 teeth - Factory Number: I-RDRX812 Contents: - 1 x Shimano GRX RD-RX812 rear derailleur - 1 x Shimano OT-RS900 240 mm cable housing (Option) - 1 x long nose end cap (Option) Weight: -black / long : 267 g ![]() ![]() ![]() ![]() |
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Return/Refund Policy
The company accepts product returns or exchanges within 7 business days from the date the customer signs for the delivery. If this period has passed, the company reserves the right to decline any returns or exchanges.
Products to be returned or exchanged must be in their original condition, undamaged from use, and unaltered. This includes retaining the price tags, brand tags, original bicycle box, manuals, and packaging in the same condition as when delivered. Proof of purchase, photographic evidence, and a confirmation document from the service center verifying the damage must also be provided.
Shipping costs for returns, exchanges, or repairs at the main office must be borne by the customer in all cases. Shipping fees are non-refundable.
Please record a video while unboxing the received product as evidence. Without such a video, the company reserves the right to decline any returns or exchanges.
Customers must notify the company immediately upon discovering any product issues via the following channels:
The 7-day return/exchange warranty starts from the day the customer receives the product, counted as Day 1, regardless of the time of receipt.
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Exchanges are limited to the damaged product only. If accessories are damaged, they will be repaired instead of replaced.
Proof of purchase (receipt or tax invoice) is required for product exchanges. The product must be returned in its original box with all accessories intact.
Damaged products must meet the warranty conditions and be in the specified condition.
For products with unclear or intermittent issues that are not immediately apparent during initial inspection, the company reserves the right to evaluate them under its conditions.
The inspection process for returned or repaired products may take approximately 15-20 business days.
For customers who paid in full or in installments via credit cards issued by registered banks in Thailand, refunds will be credited back to the same card used for payment. This process takes approximately 30 business days from the date the customer is notified by the call center, depending on the credit card billing cycle of the issuing bank.
For customers who paid in full via counter service or cash on delivery, refunds will be transferred to the bank account provided by the customer. This process takes approximately 30 business days from the date the customer is notified by the Call Center (Tel: 094-7031888).
The company reserves the right to extend the refund period beyond the stated timeframe in cases of force majeure.
The company reserves the right to amend any terms and conditions without prior notice.
For online orders, such as bicycles, the product will be shipped pre-assembled up to 85% and packed in durable boxes.
The warranty period is as follows: