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2026 IBIS OSO S Carbon Complete E-Bike - Eagle 90, Silver Surfer
$7,999.00
Ibis
2026 IBIS OSO S Carbon Complete E-Bike - Eagle 90, Silver Surfer
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2026 IBIS OSO S Carbon Complete E-Bike - Eagle 90, Silver Surfer
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Shipping
Shipping
*Free shipping applies to parts orders over $50 shipping to addresses within the contiguous U.S. (excludes HI, AK, APOs and US territories). Some exclusions apply.
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We can sell and ship some items internationally but certain brands or substances may be prohibited from shipping outside of U.S. or to certain territories.
We are unable to estimate local taxes and VAT and are not responsible for any of these charges or duties.
Package forwarders may be utilized at your discretion. We are not responsible for any damage that occurs after your item has been delivered to the shipping address. All shipments need to be inspected prior to being forwarded to secondary destinations.
Lead Times
We under promise and over deliver. Although many products will ship the same day or next day, our official policy is 2-4 business days of handling time including expedited orders (Next Day Air, etc.). If you need something in a rush please use a premium shipping service and contact us prior to placing your order for a more accurate ETA.
Shipping Restrictions
Certain items containing lithium batteries, compressed air or hazardous materials may only be shipped within the contiguous U.S. using ground delivery only.
Oversized items, including bikes, may not be available for expedited shipping. We will contact you should in the event that your selected shipping service is unavailable for your order.
Bike Builds
All bikes are built, checked and test ridden prior to boxing and shipping. This process averages 1-3 weeks depending on our backlog and the complexity of your build. Expedited builds are available for an additional fee, contact us for details.
Complete bikes are packed in our own specially designed bike boxes but do require some basic assembly. If you aren't confident in your mechanical abilities please have your local shop do the final assembly.
Most bikes over $3000 are eligible for free shipping. Bikes under $3000 and other certain bikes require a $199 shipping fee
Received a damaged item or bike?
We do our best to protect everything we ship but accidents do happen. Please keep all packaging and contact us within 24 hours of receiving your order so we can file a claim.
Details
Agile, responsive, and playful — driven by the Bosch CX Gen 5 motor, the Oso S is made for tight terrain and flowing singletrack. It’s intuitive handling turns every ride into a fast, fun session on your favorite local trails.
Modular Chassis
Swap the shock, clevis, and fork to configure any of the three travel options. Compatible with both 29” and 27.5” wheels, with adjustable chainstay length for further ride tuning.
1 M5 A9881
Modular Dropout System
Bolt-on dropouts and brake mounts let riders fine-tune chainstay length and wheel size configuration.
For 29” rear wheels, Oso sizes SM, MD, XM, LG, and XL all ship with the 455mm dropout. Both 29” dropout sizes, 455mm and 465mm, will be available aftermarket.
1 M5 A9877
Bosch Performance Line CX Drive Unit
Bosch’s Gen 5 motor delivers quiet, powerful, natural-feeling pedal assist with refined torque delivery for technical terrain. Features Gen 5 performance with [Top Secret] Nm of torque and a strong power multiplier, all backed by Bosch’s trusted service network.
1 M5 A1803
Bosch Water Bottle Cage
Ships with a Bosch water bottle cage and PowerMore range extender battery mounting bracket.
1 M5 A9817
Kiox 400C Display
Included as standard, providing a best-in-class user interface and ride metrics.
1 M5 A9955 Range Extender Comp 03
Battery System
Features a 600Wh internal battery and is compatible with the optional PowerMore 250Wh range extender battery, sold separately, for a total capacity of 850Wh.
The low, centered battery placement improves balance and handling. The 600Wh battery provides sufficient range for most rides while keeping system weight lower. Adding the PowerMore unlocks longer routes and all-day epics. A thoughtfully positioned charge port allows use of the shortest PowerMore cable for clean, fuss-free integration.
1 M5 A9780 2 TD
Long Dropper Posts
An uninterrupted seat tube design maximizes insertion depth, allowing long-travel dropper posts across the full size range.
1 M5 A2332
Size-Specific Everything
Delivers consistent handling and ride feel across all frame sizes, SM through XL, by tailoring geometry, chainstay lengths, bottom bracket heights, and suspension kinematics to each size.
1 M5 A2473
5 Sizes
We added a third size in the middle of the bell curve to provide a fit that feels just right. With 80% of riders falling between 5’5” and 6’0”, we introduced a new Extra Medium size. Extra Medium, or size 3, now sits in the middle of the size range, while size 5 remains the traditional XL.
1 M5 A9836
DW-Link Suspension
Ibis Cycles uses the dw-link suspension system, designed by Dave Weagle, across its full-suspension lineup to deliver exceptional pedaling efficiency and traction.
1 M5 A9802
Generous Tire Clearance
Fits most 2.5” tires.
1 M5 A2054
Warranty
If it’s our fault, we’ll fix it. Simple as that.
Lifetime frame warranty.
Lifetime bushing warranty.
Two-year Bosch warranty.
Specifications:
| Version | V2 S |
| Frame Material | Carbon Fiber |
| Wheel Size | Size SM–XL: 29” wheels (MX or 29” option in all sizes via modular dropout system) |
| Front Travel | 140mm |
| Rear Travel | 130mm (coil-friendly suspension layout) |
| Boost Axles | 148mm rear / 110mm front |
| Seatpost Diameter | 34.9mm |
| Rear Brake | 200mm post mount / 220mm max +10mm and +15mm dropouts require a different brake adapter that has a 220mm post mount |
| Chainline | 55mm chainline |
| Chainring Compatibility | 32–36T chainring compatibility (34T standard) |
| Chainguide | MRP, ships with a 34T mounting plate |
| Headset | ZS56, bigger bearings and allows for internal light routing |
| Color | Silver Surfer |
| Sizes | S / M / XM / L / XL |
| Frame Protection | Molded rubber frame protection, robust motor & downtube guards |
| Frame Warranty | Lifetime |
| Bushing Warranty | Lifetime |
| Bosch Warranty | 2 Years |
| Motor | Bosch Performance Line CX (Gen 5) |
| Battery | 600Wh internal battery and optional PowerMore 250Wh range extender compatible, delivering a total capacity of 850Wh |
| Charger | Bosch Smart System Charger |
| Controller | Top tube mounted Kiox 400C controller and display |
| Fork | RockShox Pike, Base, 140mm, 29” |
| Shock | RockShox Deluxe Select+, 210x52.5mm |
| Motor | Bosch Performance Line CX, Generation 5 |
| Wheels | Blackbird Send Alloy, 32H, Blackbird Hubs |
| Front Tire | Maxxis Assegai, DD, MaxxGrip, 29x2.5 |
| Rear Tire | Maxxis DHR II, EXO, MaxxTerra, 29x2.5 |
| Brakes | SRAM Maven Base |
| Rotors (F/R) | SRAM Centerline 220mm, 6-Bolt |
| Crankset | SRAM EX1, 160mm, 34T Steel Ring |
| Rear Derailleur | SRAM Eagle 90 Transmission |
| Shifter | SRAM Eagle 90 Transmission |
| Cassette | SRAM XS 1275 Transmission, T-Type, 10-52T |
| Chain | SRAM GX Eagle Transmission, T-Type |
| Chain Guide | MRP TR2 Top Guide |
| Headset | Cane Creek 50, ZS56/ZS56 |
| Grips | Lizard Skins Strata Single Clamp |
| Handlebar | Blackbird 35 Aluminum Riser Bar 800mm |
| Stem | Blackbird 35 Stem |
| Seatpost | KS Vantage Dropper, 34.9mm |
| Saddle | WTB Silverado Fusion CrMo 142 |
Specs
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