SKU: 58085974369
lamar fitnessbike - fb 50a

lamar fitnessbike - fb 50a Big Sur Sport

Sale price$18.57 Regular price$20.63
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Ships within 48 hours · Estimated delivery Jul 23 - Jul 28

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Description

lamar fitnessbike - fb 50a Big Sur SportManufacturer's Description: Everything you love about the original Big Sur is back! Now sporting 20" x 4" fat tires, Big Sur Sport is smaller and lighter, but it's just as fun and performant as Big Sur 26", if not more so! This bike retains the original's class 2 3 rating (20mph and 28mph top speed using the throttle and PAS respectively), as well as its safety features, including big 203mm brake rotors, LG 21700 battery cells, and a full UL2849

Manufacturer's Description:

Everything you love about the original Big Sur is back! Now sporting 20" x 4" fat tires, Big Sur Sport is smaller and lighter, but it's just as fun and performant as Big Sur 26", if not more so! This bike retains the original's class 2/3 rating (20mph and 28mph top speed using the throttle and PAS respectively), as well as its safety features, including big 203mm brake rotors, LG 21700 battery cells, and a full UL2849 certification. Equipped standard with the AIMA Comfort XL seat and an MIK rear rack, Big Sur Sport delivers the same level of power, comfort, and smoothness of its bigger brother.

Pedal Assist

Higher levels of pedal assist will allow for an easier ride, but will also draw more power from the battery. Lower pedal assist levels are better for getting as many miles as possible out of your battery.

Average Cruising Speed

Riding slower will decrease the amount of energy you lose to wind resistance as the bike pushes you forward. Slower speeds will extend battery life.

Tire Pressure

Keeping your tires inflated to the recommended pressure can help increase your range. Maintaining a proper tire pressure not only increases your range, but also helps prevent pinch flats! For most riding situations, checking your tire pressure at least once a week will keep your ride safe and energy-efficient.

Load Weight

Carrying a heavier load can decrease your range. This includes the total load of both the weight of the rider and any cargo you may be carrying. More weight takes more time and energy to get up to speed, negatively affecting your range. It's best to keep loads light whenever possible if you're looking to extend your range.

Terrain & Elevation

In general, riding over smooth and flat terrain will give you a longer range. Hills and rough terrain can greatly impact your maximum range, especially on higher assist levels.

Wind

That's right! The wind can affect your battery range too! Riding into a headwind will decrease your range, but if you're able to catch a tailwind, you'll actually see that you'll gain more range! Be mindful of which way the wind is blowing when you are riding. If you've been riding in a tailwind, turning around will take more energy from the battery to get you home.

Ambient Temperature

Riding in cold weather will impact the battery's ability to function optimally. A good rule of thumb is, if you're comfortable, then the battery is comfortable too. This also goes for storing the battery too!

Hub Motor and Battery

There's few places you can't go with Big Sur Sport, thanks to its powerful 750W (nominal) rear hub motor by Bafang paired with a 48V 15Ah high-capacity battery.

Torque Sensor

Rather than relying on an outdated cadence sensor to detect your movement, our torque sensor is able to instantly feel how hard you're pedaling at any given time and instruct the motor to match your performance, improving safety and efficiency.

Full Color Backlit LCD Display

Everything you need is right in front of you at all times, including your current speed, battery remaining, distance traveled, and much more.

20” x 4” Fat Tires

20” x 4’’ tires enable you to traverse any terrain with ease while retaining the nimble feeling of a 20" tire. It's the best of both worlds!

Suspension Fork

Offering 80mm of travel and adjustable preload & lockout functionality, our suspension fork provides a smooth and comfortable ride feel throughout a wide variety of riding conditions.

Fender & Rear Rack

Fenders come pre-installed to ensure you'll be able to tackle all sorts of weather conditions. Plus, an included MIK HD rear rack means there's no limit to what you can take with you.

Flat Position Welding

We've applied one of the most advanced aluminum welding processes to our frame, an exclusive "flat position welding" technique. This allows the frame to maintain its strength and rigidity while also appearing smooth and flat.

Walk Assist

Gone are the days of pushing your bike around by hand. Our walk assist function allows the bike to maintain ~2-3mph (walking speed) as you push it alongside you, up a hill, or anywhere else.

Controller Compartment

Mid-drive? Not quite! Our mid-mounted controller cavity allows for streamlined assembly and repair, while also bolstering the controller's heat dissipation capabilities, improving the bike's performance and safety.

Specifications

  • MODEL: Big Sur Sport
  • MOTOR: 750W, 48V Brushless Rear Hub Motor
  • THROTTLE: Throttle on Demand
  • DISPLAY: Color LCD, Smart Easy-to-Read Display with Backlight
  • SPEED: Up to 28 MPH Pedal Assist, 20 MPH Throttle Only
  • BATTERY: Removable Internal Lithium-ion 48V, 15Ah (720Wh) with LG M50LT 21700 cells
  • REAR RACK: MIK HD
  • SENSORS: Torque Sensor
  • PEDAL ASSIST: 5 Levels
  • CHARGER: 48V 3 Amp Fast Charger, about 5 Hours to a Full Charge
  • RANGE: 30 to 60 Miles
  • FRAME: 6061 Single-Butted Aluminum Alloy Frame with Internal Battery
  • WEIGHT: 74 lbs. (Battery included)
  • PEDALS: 9/16' Alloy Platform
  • FORK: Suspension Fork with 80mm Travel, Adjustable Preload & Lockout
  • WEIGHT LIMIT: 400 lbs.
  • KICKSTAND: Included, Aluminum Alloy Kickstand 
  • CRANKSET: 160mm w/ 52T
  • SHIFT: Shimano 7 Speed
  • GEAR RATIO RANGE: 11-28T
  • BRAKES: Tektro Hydraulic Disc Brakes
  • ROTOR: 203 mm
  • CHAIN: 130 Link, 8 Speed
  • RIM: Double Wall Aluminum Alloy
  • SPOKES: Black Stainless 12G Front / 12G Rear
  • TUBES: Butyl Rubber
  • HUBS: Front Aluminum Alloy Disc Hub 
  • TIRES: 20" x 4" Puncture Resistant
  • SADDLE: AIMA Comfort, 280mm*270mm Saddle
  • SEATPOST: Aluminum Alloy, 30.4mm 2-Bolt Clamp
  • STEM: Threadless, 31.8mm, 7 Degree Rise, Ext 75mm
  • SEAT CLAMP: 34.9 mm Quick Release
  • HANDLEBARS: Aluminum Alloy Double Wall, 31.8mm, 680mm
  • HEADSET: Sealed Bearing Headset
  • GRIPS: Ergonomic Comfort

Geometry and Fit

 

In-store Purchase Only. We are Open Daily

This product is sold in its factory default configuration. Legal classification and permitted use depend on active settings and applicable local laws.

👉View Lite EV Class & Compliance Disclosure

 

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 58085974369

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Miah
Battle Creek, US
★★★★★ 5
Solid Floating Shelves 🛠️🏠
Color: Black, Number Of Shelves: 4, Size: 15.7in
I have installed four sets of the black floating shelves in my office. They are made of high quality materials, featuring a sophisticated black woodgrain finish with a natural texture. Supposedly, each unit can handle up to 22 pounds, though I would not recommend testing that limit with your vintage bowling ball collection if you value your flooring. They are awesome. The value is good for a set of two. Each shelf measures 22x7x1 (56x17x3 cm) inches, providing a decent amount of storage for books or decor. The installation was straightforward since the hardware for multiple wall types was included. They work well in the kitchen for spices or in the bedroom for personal belongings. One tip for a secure fit: use a level during installation and make sure the bracket is flush against the wall before sliding the shelf on, or your photos might look like they are sliding off a mountain 📐 These shelves offer a clean, modern look and stay stable once mounted correctly. They are a practical choice for adding functional display space to any room 🖼️
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Reviewed in the United States on May 4, 2026
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Tyler Kline
Birmingham, US
★★★★★ 5
Good looking shelves and easy install - skip the included drywall anchors
Color: Black, Number Of Shelves: 2, Size: 22in
I installed these shelves in a bedroom to get things off my dresser and some decor. Once mounted they look really nice. The black finish looks clean and modern and they blend in well with the room. Installation was pretty straightforward. The metal bracket mounts to the wall first and then the shelf slides over the bracket. As long as you take your time lining things up it’s a simple project. One thing I strongly recommend is not using the white plastic self-drilling drywall anchors that come with the kit. I’ve used that style before on other projects and they tend to strip out easily and leave larger holes in drywall. I used better anchors instead and the shelves mounted much more securely. The rest of the hardware worked fine and once installed the shelves feel solid and hold items well. Pros - Clean modern look - Easy installation - Feels solid once mounted - Good size for books or decor Cons - The small level included isn’t very accurate — use your own level - One of the metal brackets was slightly bent out of the box but straightened out easily Helpful tip: Use your own level and better drywall anchors if you have them. It makes installation easier and the shelves will mount much more securely. Final thoughts: For the price these are nice looking floating shelves that install easily and work well for light storage and decor.
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Reviewed in the United States on March 13, 2026
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Coffman, H
Port Orchard, US
★★★★★ 5
Cheap, and effective!
Color: Black, Number Of Shelves: 4, Size: 15.7in
Looks good, works great, low cost. I'll be purchasing more in the future.
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Reviewed in the United States on May 12, 2026
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Amazon Customer
Pawtucket, US
★★★★★ 4
Cute for coffee bar!
Color: Black, Number Of Shelves: 4, Size: 15.7in
Great for above my coffee bar. Easy to mount and align. Seems stable!
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Reviewed in the United States on April 14, 2026
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Samuel Roberts
Omaha, US
★★★★★ 5
Great shelves, strong, secure, sturdy, decent size, unbeatable price.
Color: White, Number Of Shelves: 4, Size: 15.7in
Easy installation fits where we wanted them. Stable strong secure snug fit. Cleans easily with dust wipe. I would recommend buying these.
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Reviewed in the United States on May 19, 2026

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