ONE WEEK ONLY SALE
Get free shipping, on most items, with your $50 purchase today! Same day shipping on most orders if placed by 3pm PST.
This offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and some exclusions apply.
Some large and/or heavy items are subject to additional oversize charges that are separate from standard shipping costs.
Bike Build Process
All bikes are built, tested, tuned, and ready to ride upon shipment. The bike build process typically takes 2-3 days to complete depending on the bike model and the complexity of the build.
Orders for in-stock items placed by 3PM PST usually ship on the same day. Orders that include special-order or backordered items may be subject to shipping delays depending on product availability. Refer to estimated delivery times in cart when selecting shipping options.
Add a little peace of mind to your purchase with a protection plan from EXTEND. Full accident protection coverage available right away and even after your manufacturer's warranty expires.
Accidental damageWe'll replace or repair your damaged product. Unintentional breaks, drops, or spill are all covered.
Malfunction protectionWhen regular use of your product over time results in mechanical or electrical failure.
Zero deductibleNo fees. No deductibles. No hidden costs when we repair your product.
Customer focused supportWe're always happy to help, and available 24/7
Shimano has been making some of the best bicycle components since the 1970's and they continue to produce some of the most sought-after components in the industry. XT is Shimano's work-horse mountain bike group and features some of the finest technology and produces an incredibly clean and reliable shift. The newest generation of XT is not only new and shiny, it comes with all-new technology. The Shimano XT RD-M8100 Rear Derailleur has been upgraded from 11-speed to 12-speed and has the capacity to go up to a 51 tooth cog on the rear. The RD-M8100 is designed for 1x12 drivetrains and comes with the SGS long cage.
CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
Most items SHIP SAME DAY if ordered by 3pm PST and FREE SHIPPING on orders over $50. Please note that oversize charges may still apply on some heavy or large items and free shipping does not apply to PO Boxes.
1-day free standard Shipping on most orders to California, 2-day free standard Shipping on most orders to Nevada, Arizona, & Utah. Other states can expect delivery within 3 to 5 days.
Jenson USA ships worldwide, including APO/FPO addresses. For a more specific shipping quote and transit time estimate, simply add the items you are interested into your shopping cart and look for the "Shipping Options" box at the top of the cart page. You don't have to login or create an account to see shipping charges and time in transit estimates.
Some manufacturers restrict where we can ship their products. If this item has shipping restrictions, they are listed below. If you'd like to buy an item that we cannot ship to your address, we can accept your foreign credit card and ship it to a US address for you.
Due to manufacturer restrictions, this product cannot be shipped to the following locations:
This Week Only