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Cross-country bikes need to be lightweight, fast, and able to dominate the terrain. If you're in an XC race, you need every advantage you can get. The Niner RKT 9 RDO RS 4-Star Bike is a lightweight XC race bike with 90mm of travel on the rear and 100mm of travel no the front. The carbon fiber frame uses Niner's CVA (Constantly Varying Arc) suspension design that is built to be supple yet stable, controlling unwanted suspension movement with calibrated anti-squat, yet remaining active while climbing and descending. The frame is stiff, efficient, light, and highly durable.
The 4-Star version of the RKT 9 RDO RS comes with a 12-speed Shimano XT M8100 drivetrain. The cassette has a hill-crushing 10-51-tooth gear range that makes climbing a breeze and riding in rough terrain much easier. When it comes to descending, the Shimano XT hydraulic disc brakes provide confidence-inspiring stopping power. The DT Swiss X1900 Spline wheels are paired with Maxxis tires. Both are tubeless-ready so you can ditch the tubes and drop the tire pressure for a smoother ride, better traction, and fewer flats. With Fox suspension on the front and rear, you'll have an exceptionally smooth ride everywhere you go.
Frame | Niner RDO Carbon Fiber, CVA Suspension, Aluminum Rocker Links |
---|---|
Fork | Fox 32 SC Float Factory EVOL FIT4, 100mm Travel, 44mm Offset |
Rear Shock | Fox Float DPS Factory EVOL 3-Position, w/ Remote |
Headset | Niner Integrated IS42/28.6|IS52/40 |
Shifters | Shimano XT M8100 12-Speed I-Spec EV |
Front Derailleur | A What? |
Rear Derailleur | Shimano XT M8100 SGS |
Crankset | Race Face Next R Carbon, 32T |
Bottom Bracket | Race Face PF30 |
Chain | Shimano XT M8100 w/ QuickLink |
Cassette | Shimano XT M8100, 10-51T |
Brakes | Shimano XT M8100, 180mm Front, 160mm Rear |
Wheelset | DT Swiss X1900 Spline 25, DT370 Centerlock Hubs, Boost |
Tires | Maxxis Rekon 3C/EXO/TR 29 x 2.4" WT, Maxxis Rekon Race 2C/EXO/TR 29 x 2.25" |
Handlebar | Niner Flat Top RDO, 780mm |
Stem | Niner RDO Stem |
Grips/Bar Tape | Niner Grrrips L/O |
Seatpost | Niner RDO Seat Post, 370mm |
Seatclamp | Nutted |
Saddle | Niner Custom, CRN-Ti Rails |
Intended Use | XC |
Note: Components are subject to change without notice.
Size | Extra Small | Small | Medium | Large | Extra Large |
---|---|---|---|---|---|
A: Seat Tube Length | 559 | 574 | 594 | 614 | 634 |
B: Effective Top Tube | 555 | 570 | 590 | 610 | 630 |
C: Stack | 584 | 591 | 600 | 609 | 619 |
D: Reach | 393 | 406 | 424 | 441 | 458 |
E: BB Height | 0 | 0 | 0 | 0 | 0 |
F: BB Drop | 35 | 35 | 35 | 35 | 32 |
G: Head Tube Length | 95 | 100 | 110 | 120 | 130 |
H: Head Tube Angle | 70.5 ° | 71 ° | 71 ° | 71 ° | 71 ° |
I: Seat Tube Angle | 74.5 ° | 74.5 ° | 74.5 ° | 74.5 ° | 74.5 ° |
J: Standover Height | 696 | 702 | 728 | 763 | 802 |
K: Chainstay Length | 440 | 440 | 440 | 440 | 440 |
L: Wheelbase | 1074 | 1084 | 1103 | 1125 | 1146 |
Crank Arm Length | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm |
Stem Length | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm |
Handlebar Width | 780 mm | 780 mm | 780 mm | 780 mm | 780 mm |
Frame Size | Extra Small | Small | Medium | Large | Extra Large |
---|---|---|---|---|---|
Rider Height | 5'0" - 5'5" 153 - 165 cm |
5'3" - 5'9" 160 - 175 cm |
5'8" - 6'0" 173 - 183 cm |
5'11" - 6'3" 180 - 191 cm |
6'3" - 6'7" 191 - 201 cm |
Size | Extra Small | Small | Medium | Large | Extra Large |
---|---|---|---|---|---|
A: Seat Tube Length | 22.0 | 22.6 | 23.4 | 24.2 | 25.0 |
B: Effective Top Tube | 21.9 | 22.4 | 23.2 | 24.0 | 24.8 |
C: Stack | 23.0 | 23.3 | 23.6 | 24.0 | 24.4 |
D: Reach | 15.5 | 16.0 | 16.7 | 17.4 | 18.0 |
E: BB Height | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
F: BB Drop | 1.4 | 1.4 | 1.4 | 1.4 | 1.3 |
G: Head Tube Length | 3.7 | 3.9 | 4.3 | 4.7 | 5.1 |
H: Head Tube Angle | 70.5 ° | 71.0 ° | 71.0 ° | 71.0 ° | 71.0 ° |
I: Seat Tube Angle | 74.5 ° | 74.5 ° | 74.5 ° | 74.5 ° | 74.5 ° |
J: Standover Height | 27.4 | 27.6 | 28.7 | 30.0 | 31.6 |
K: Chainstay Length | 17.3 | 17.3 | 17.3 | 17.3 | 17.3 |
L: Wheelbase | 42.3 | 42.7 | 43.4 | 44.3 | 45.1 |
Crank Arm Length | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm |
Stem Length | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm |
Handlebar Width | 780 mm | 780 mm | 780 mm | 780 mm | 780 mm |
Frame Size | Extra Small | Small | Medium | Large | Extra Large |
---|---|---|---|---|---|
Rider Height | 5'0" - 5'5" 153 - 165 cm |
5'3" - 5'9" 160 - 175 cm |
5'8" - 6'0" 173 - 183 cm |
5'11" - 6'3" 180 - 191 cm |
6'3" - 6'7" 191 - 201 cm |
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.
Jenson USA ships worldwide, including APO/FPO addresses. For a quote, simply add the items you are interested in to your shopping cart and look for the "Shipping Options" box. You don't have to login or create an account to see shipping charges.
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 preferred address, we can accept your foreign credit card and ship to a USA address for you.
Get free 1-day California shipping with your $60 purchase today, on most orders. Please note this offer is only available to physical shipping addresses in California(no PO Boxes), and oversize charges still apply on some heavy/large items
Due to manufacturer restrictions, this product cannot be shipped to the following locations:Get free shipping, on most items, with your $60 purchase today! Same day shipping on most orders if placed by 3pm PST.
PLEASE NOTE:
This offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and some exclusions apply.
Oversize Charges
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.
Stock Status
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.