Otso
Otso Fenrir Stainless Flat Bar SLX
Otso Fenrir Stainless Flat Bar SLX
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SHIPPING & DELIVERY
SHIPPING & DELIVERY
All Bicycles are Pickup in Store Only!
Shipping frames, parts, apparel, & accessories
Kirkland Bicycle gladly ships in the contiguous United States. Most orders $99 and over ship for free.
Oversized products such as wheels/bike racks etc. do not qualify for free shipping. Kirkland Bicycle does not currently ship outside of the contiguous United states including Alaska and Hawaii, Puerto Rico and other US territories, as well as internationally.
RETURN POLICY
RETURN POLICY
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return open your Orders page or email contact@kirklandbicycle.com.
Please note that all returns will need to be sent to 208 Kirkland Ave NE, Kirkland WA 98033
If your return is accepted, we’ll send you a return shipping label, as well as instructions on how to send your package. Items sent back to us without first requesting a return will not be accepted.
SKU:FEN-SST-SLX-FLAT-L

VERSATILITY
While all Otso bikes are known for their versatility, the Fenrir might be the most versatile yet. It was designed to accommodate drop bars with a 50mm stem or MTB bars with an 80mm stem. It can be built with gears or single speed, with a suspension fork or rigid, with a mechanical or electronic drivetrain, or with a dropper or rigid seat post. The ability to fully customize the build of the bike makes the Fenrir as versatile as its rider.
FENRIR WITH DROP BARS
The Fenrir was designed with the option to be built with drop bars or MTB bars. When configured with drop bars, the Fenrir rides like an extra-capable gravel bike. The relatively longer top tube means a shorter stem is needed with drop bars to align with the rider's preferred reach. It can be built with standard road/CX/gravel bars for rides on local trails or with wider bars to fit a handlebar roll loaded with lots of gear.
FENRIR WITH FLAT BARS
When built with MTB bars, Fenrir rides like a 90s XC bike. It's fun and lively, yet efficient and Capable with a capital C. It can handle any sketchy descent or technical climb with ease. Because the top tube is relatively short for a mountain bike, a longer stem (80-90mm) is ideal for maintaining reach. Ride it on your local singletrack or load 'er up for that backcountry tour that you've been dreaming about--you know the one. However you choose to build it, Fenrir will ride any road/trail on the map and carry all the gear to get you there.
OPTIMIZED FOR BIKEPACKING
Every last feature of Fenrir is optimized for bikepacking. The stainless steel frame is strong, comfortable, and surprisingly light weight. It can be built with flat bars or drop bars depending on your affinity for large handlebar rolls. Single speed is an option for folks who like simplicity while touring. It has extra mounts on the frame and fork for hauling all the gear you'll need for days (or weeks) on the trail. The frame and fork can clear 29" x 2.6" or 27.5" x 2.8" tires for trails that are especially gnarly. No matter your destination and how long it takes to get there, Fenrir is ready.
SINGLE SPEED
All metal Otso bikes have the option to be built single speed or with gears. Fenrir is included in that group because it has a small notch on the rear dropout near the Tuning Chip. If you build your Fenrir with gears, but want to convert to single speed later on, there is a single speed Tuning Chip available ready to order alongside other accessories. There's no wrong way to build your Fenrir.
SO MANY MOUNTS
A bikepacking bike needs to be able to carry all the gear for days or weeks on the trail. Fenrir has mounts for bottles, fenders, and racks. The Enve fork also has three-pack mounts on either side for sharing the load.
CAPABLE GEOMETRY
Pick a trail on the map and ride it. Fenrir has the endurance of a gravel bike, with the stability of a mountain bike. Above all, it is Capable with a capital C so you can stay the course and reach your destination.
DROPPER FRIENDLY
A small port near the bottom of the seat tube allows for the cable routing of a dropper post. If you don't ride with a dropper, you probably won't even notice the port.
AMPLE CLEARANCE
Tires need to meet demands of the trail for traction, stability, and comfort. Fenrir can ride up to 29" x 2.6" or 27.5" x 2.8" tires.
Fork | Carbon Lithic Mountain Fork, 15mm thru axle |
Stem | Aluminum |
Chain | Shimano SLX 12-speed |
Frame | Custom butted austenitic stainless steel frame |
Tires | Schwalbe Racing Ralph 29x2.35 Super Ground |
Brakes | Shimano Deore BR-6100 |
Saddle | WTB Volt Medium, 142mm width |
Wheels | DT Swiss M1900 29" |
Headset | Wolf Tooth Performance Headset, ZS44/EC44 |
Crankset | Race Face Aeffect |
Seatpost | Aluminum, 31.6mm |
Shifters | Shimano SLX M7100 Trigger, 12-speed |
Chainrings | 34T |
Handlebars | Aluminum 31.8 x 780mm MTB 20mm rise |
Tape/Grips | Wolf Tooth grips |
Bottom Bracket | Shimano english thread BSA, Ø73mm |
Rear Derailleur | Shimano SLX M7100, 12-speed |
Cassette/Freewheel | Shimano SLX M7100, 10-51T, 12-speed |