julio 27, 2026
New 2020 Shimano GRX RX810 RX812 1x11-speed Disc Gravel Groupset 42t 170mm 11-42 New Shimano GRX RX810 RX812 1x11-speed Disc Gravel Groupset 42t 172.5mm 11-42 Product Description With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain tensioner. The RD-RX812 rear derailleur is compatible with MTB cassettes with a 42T low sprocket max. Product Feature • Hydraulic Brakes • 1X Gravel Groupset • 1X Hollowtech Crankset • Mechanical Shifting (Rear) • Compatible up to 42T cassette with correct derailleur Brakes & Shifters • Reach Adjust • One-Way bleeding • Anti-slip brake lever • DCL: Dual Control Lever • SIS: Shimano Index System • Shimano BR-RX810- Brake Caliper • Brake Fluid: Shimano Mineral Oil • Gravel inspired lever and bracket ergonomics Rear Derailleur Options • GRX RD-RX810 – Max 34T • GRX RD-RX812-R – Max 42T • Gravel-tuned clutch tension • Switch stabilizer ON/OFF to match the terrain • Adjustable chain stabilizer prevents chain slapping and drops Cassette · Choose your MTB cassette and range to suit your needs and derailleur 1X Crankset • Gear combination: 42T or 40T • Tighter gear steps maintain rhythm on familiar routes • Optimum gearing for mixed terrains and riding styles Package Content · FC-RX810-1 Crankset 42T 172.5mm 660g · RD-RX812 Rear Derailleur · ST-RX810 Shift/Brake levers · BR-RX810 Brake calipers 900mm/160mm · CS-M8000 Cassette 11-42T (Please message us if need 11-40T) · CN-HG701 Chain · SM-BBR60 Bottom Bracket BSA (Please message us if need PressFit) How long is the delivery time ? Processing time It takes normally 1-2 business days**. We will check your order, confirm your payment, verify your address and arrange your shipment during this period of time. Shipping time In general, the delivery time of each international courier is as below: USPS: 5-7 business days in normal. **Reminder: Our warehouse do not process orders during weekend or any public holidays. Therefore, please allow another 1-2 days to process your weekend orders.** Do you provide tracking number ? Sure thing. We will upload the tracking number once the item is dispatched. Here is how you can locate the tracking number: Click My eBay at the top of most eBay pages. You may need to sign in. Click the Purchase History link on the left side of the page. You'll see the tracking number under the item title. How many months warranty do you provide ? 24 months warranty is provided to our products. The length of the warranty depends on the nature of the products. What should I do if the item quality is bad / does not fit ? Normally any quality problems, please return to exchange a brand new one within 60 days or purchase. We will pay for the return postage.Kindly contact our customer support for more details. What should I do if the item is broken or dead on arrival ? For ensuring all the items are in good quality, we will test all products before the packages were sent out. If there are any problems with the item, kindly send us some images of the situation. And we are more than willing to assist you any further. What should I do if I choose to return the item for a full refund or replacement ? Please contact our customer support team before returning the defective item. Return items should include the original packaging and all accessories. Please make sure the item have NO man-made sabotage., otherwise, refund/exchange request will be rejrcted. DO REMEMBER SIGN YOUR RMA# on the front of the package., or your return won't be accepted. We will pay for the shipping cost of resending items as well. Where can I find a RMA ? RMA is Return Merchandise Authorization. Please contact our customer support and explain them your situation. They will try to solve the problem for you and issue you a RMA for returning the item back to us.