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Get free shipping, on most items, with your $50 purchase today! Same day shipping on most orders if placed by 3pm PST.
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This offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and some exclusions apply.
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Some large and/or heavy items are subject to additional oversize charges that are separate from standard shipping costs.
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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.
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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.
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Available to physical shipping addresses in the 48 continental United States. Some items are subject to additional oversize charges. All bikes are built prior to shipment and may take 2-3 days prior to shipping. Learn more
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Niner has been rooted in and committed to the 29 inch wheel platform since the very beginning. They have also been committed to designing and innovating the technologies that discerning riders expect. The Jet 9, with its [R]Evolution geometry, CVA suspension platform and now, 27.5" plus capabilities, has updated it's fun dial and the Jet 9 RDO 27+ Bike is here to crank it.
Taking full advantage of technological advances in rear dropout spacing, Niner previously added boost and plus sizes to other segments of their offering and now, new to the mix, is gifting the Jet 9 with the capabilities to accommodate 27.5x3.0 tires. 120mm of "roll-and-go" rear suspension balances nicely with the accompanying 140mm fork. With the bump in fork travel, the 67.5 degree head angle is maintained and is ideal for all day riding and taking on any sort of terrain along the way. The JET 9 had delivers predictable steering response no matter which wheels you ride.
The Niner JET 9 RDO 3 Star XT RS 27+ Bike will arrive on your doorstep loaded up with a Shimano SLX drivetrain, 140mm RockShox Pike fork, and Stans No Tubes Barron wheels. Shimano SLX hydraulic disc brakes keep speeds in check and help provide a confident and controlled decent. Maxxis Rekon+ and Ikon+ treads are tubeless compatible while the cockpit is a mix of Race Face and Niner components. This build is designed for the discerning rider who wants a fun and capable bike loaded with quality components.
| Frame | Niner JET 9 RDO |
|---|---|
| Fork | RockShox Pike RC Solo Air 140mm, 110x15mm |
| Rear Shock | RockShox Monarch RL Debonair |
| Headset | Niner |
| Shifters | Shimano XT M8000 11 Speed I-Spec ll |
| Front Derailleur | - |
| Rear Derailleur | Shimano XT M8000 GS 11 speed Shadow Plus |
| Crankset | Race Face Turbine 1x, 32T |
| Bottom Bracket | Race Face |
| Pedals | - |
| Chain | Shimano XT HG-701 11 Speed |
| Cassette | Shimano XT M8000 11-46T |
| Brakes | Shimano XT M8000, Ice Tech Pads, 180mm/160mm RT86 Ice Tech Rotors |
| Wheelset | Stan's No Tubes Neo/ZTR Barron S1, 110x15mm, 148x12mm rear |
| Tires | Maxxis Rekon+ DC/EXO/TR 2.8 Front, Ikon+ 3c/Exo/TR 2.8 Rear |
| Handlebar | Race Face Aeffect 760mm Wide, 20mm Rise, 35mm Clamp |
| Stem | Race Face Aeffect 35mm Clamp |
| Grips | Niner Grrrips Lock-On Nylon |
| Seatpost | KS Dropzone R |
| Seatclamp | Bolt-On |
| Saddle | Niner Custom With Cr-Mo Rails |
| Intended Use | Trail |
| Weight | 28.5 lbs (lrg) |
Note: Components are subject to change without notice.

| Size | Extra Small | Small | Medium | Large | Extra Large |
|---|---|---|---|---|---|
| A: Seat Tube Length | 356 14.0 | 381 15.0 | 432 17.0 | 483 19.0 | 533 21.0 |
| B: Effective Top Tube | 562 22.1 | 580 22.8 | 599 23.6 | 621 24.4 | 644 25.4 |
| C: Stack | 595 23.4 | 605 23.8 | 619 24.4 | 628 24.7 | 642 25.3 |
| D: Reach | 390 15.4 | 405 15.9 | 421 16.6 | 441 17.4 | 460 18.1 |
| E: BB Height | - - | - - | - - | - - | - - |
| F: BB Drop | 28 1.1 | 28 1.1 | 28 1.1 | 28 1.1 | 28 1.1 |
| G: Head Tube Length | 95 3.7 | 105 4.1 | 120 4.7 | 130 5.1 | 140 5.7 |
| H: Head Tube Angle | 67.0 ° | 67.0 ° | 67.0 ° | 67.0 ° | 67.0 ° |
| I: Seat Tube Angle | 74.0 ° | 74.0 ° | 74.0 ° | 74.0 ° | 74.0 ° |
| J: Standover Height | 674 26.5 | 691 27.2 | 732 28.8 | 762 30.0 | 795 31.3 |
| K: Chainstay Length | 435 17.1 | 435 17.1 | 435 17.1 | 435 17.1 | 435 17.1 |
| L: Wheelbase | 1120 44.1 | 1139 44.8 | 1160 45.7 | 1184 46.6 | 1208 47.6 |
| Suggested Rider Height | 153-165cm 5'0"-5'5" | 160-175cm 5'3"-5'9" | 173-183cm 5'8"-6'0" | 180-191cm 5'11"-6'3" | 191-201cm 6'3"-6'7" |
For riders who fall between sizes, Niner recommends sizing down for a more maneuverable ride or sizing up for more stability.
CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP") Lead, 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.
Bike Shipping: Most complete bikes ship for a $99 oversize shipping fee, unless otherwise noted. Free shipping thresholds do not apply to complete bikes.
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:
We strive to get you the gear you want at a competitive price. If you find an item we offer from a competitor at a lower price, let us know. We will do our best to instantly match their price. To qualify for the Price Match, your purchase must meet the following conditions:
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Get free shipping, on most items, with your $50 purchase today. Same day shipping on most orders if placed by 3pm PST. Visit your cart and update the shipping destination to see the estimated delivery days for your order.
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.
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.