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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
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Description
trek fx gravel bike Trek fx sport 4 – Cahaba CyclesFX Sport 4 is a carbon fiber fitness bike for riders who want the speed of a lightweight road bike with the comfort and control of a flat handlebar. The 1x drivetrain simplifies shifting without sacrificing gear range, making this high performance bike perfect for everything from solo workouts to speedy group rides. The 1x drivetrain delivers a wide range of gearing with the simplicity of a single shifter You get the superior ride quality of carbon
FX Sport 4 is a carbon fiber fitness bike for riders who want the speed of a lightweight road bike with the comfort and control of a flat handlebar. The 1x drivetrain simplifies shifting without sacrificing gear range, making this high-performance bike perfect for everything from solo workouts to speedy group rides.- The 1x drivetrain delivers a wide range of gearing with the simplicity of a single shifter
- You get the superior ride quality of carbon without the bank-breaking price
- On your left, roadie! This fitness bike is more than capable of taking on speedy group road rides
- Its easy to accessorize with fenders, lights, and more!
Make it your own
Customize your bike with fenders, racks, bottle cages, and more to make it your own.
1x drivetrain
A 1x drivetrain means more versatility, simpler shifting and less things to go wrong. You still have a wide range of gears, but with lighter and more intuitive shifting. Everything you need and nothing more.
Just-right geometry
The all-new FX Sport has slightly less reach and slightly more stack than previous models for a more comfortable yet active and fast riding position.
400 Series OCLV
Ultra high performance, within reach. The areal weight range and modulus mix of 400 Series OCLV provides an exhilarating sense of acceleration and confident handling.
Upgrade your pedals and love your bike more
Pedals are two of the five touchpoints that connect you with your bike, and even though this bike comes with a pair, upgrading to pedals that boost control and grip will greatly improve your ride. See the pedal guide and find the best pedals for your riding style. We recommend flat pedals for simple versatility.
| Fork | Carbon, hidden fender mounts, flat mount disc, 100x5mm thru-skew |
| Wheel Front | / |
| Tire | Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40mm |
| Hub Front | Formula CL-51 alloy, 100x5mm QR |
| Hub Rear | Formula CL-52 alloy, 135x5mm QR |
| Rim | Bontrager Paradigm, Tubeless Ready, 32-hole, 21mm width, Presta valve |
| Skewer Front | 135x5mm bolt-on |
| Skewer Rear | 169x5mm bolt-on |
| Shifter | Shimano Deore M4100, 10 speed |
| Rear Derailleur | Shimano Deore M5120, long cage |
| Crank | Prowheel alloy, 42T narrow-wide ring, 170mm length |
| Cassette | Shimano Deore M4100, 11-46, 10 speed |
| Chain | KMC X10, 10 speed |
| Pedal | Bontrager City pedals |
| Saddle | Bontrager H1 |
| Seatpost | Bontrager alloy, 27.2mm, 12mm offset, 330mm length |
| Handlebar | Bontrager Satellite Plus IsoZone, alloy, 31.8mm, 15mm rise, 600mm width |
| Stem | Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length |
| Grips | Bontrager Satellite IsoZone Plus, lock-on, ergonomic // |
Geometry Chart
| B B Drop | 6.5 |
| B B Height | 28.5 |
| Chainstay Length | 44.2 |
| Eff Top Tube | 52.8 |
| Frame Reach | 38.3 |
| Frame Size Letter | XS |
| Frame Stack | 54.3 |
| Head Angle | 70.0° |
| Head Tube Length | 11.5 |
| Offset | 5 |
| Seat Tube | 35.6 |
| Seat Tube Angle | 75.0° |
| Standover | 70.8 |
| Trail | 7.4 |
| Wheelbase | 104.7 |
| Wheel Size | 700c |
| B B Drop | 6.5 |
| B B Height | 28.5 |
| Chainstay Length | 44.2 |
| Eff Top Tube | 54.3 |
| Frame Reach | 38.5 |
| Frame Size Letter | S |
| Frame Stack | 56.8 |
| Head Angle | 70.5° |
| Head Tube Length | 14 |
| Offset | 5 |
| Seat Tube | 40.6 |
| Seat Tube Angle | 74.5° |
| Standover | 75.1 |
| Trail | 7.1 |
| Wheelbase | 105.4 |
| Wheel Size | 700c |
| B B Drop | 6.5 |
| B B Height | 28.5 |
| Chainstay Length | 44.2 |
| Eff Top Tube | 56.3 |
| Frame Reach | 39.3 |
| Frame Size Letter | M |
| Frame Stack | 59.4 |
| Head Angle | 71.0° |
| Head Tube Length | 16.5 |
| Offset | 5 |
| Seat Tube | 45.7 |
| Seat Tube Angle | 74.0° |
| Standover | 78.7 |
| Trail | 6.8 |
| Wheelbase | 106.5 |
| Wheel Size | 700c |
| B B Drop | 6.5 |
| B B Height | 28.5 |
| Chainstay Length | 44.2 |
| Eff Top Tube | 58.3 |
| Frame Reach | 40 |
| Frame Size Letter | L |
| Frame Stack | 62 |
| Head Angle | 71.5° |
| Head Tube Length | 19 |
| Offset | 5 |
| Seat Tube | 50.8 |
| Seat Tube Angle | 73.5° |
| Standover | 81.2 |
| Trail | 6.4 |
| Wheelbase | 107.5 |
| Wheel Size | 700c |
| B B Drop | 6.5 |
| B B Height | 28.5 |
| Chainstay Length | 44.2 |
| Eff Top Tube | 61.3 |
| Frame Reach | 41 |
| Frame Size Letter | XL |
| Frame Stack | 64.8 |
| Head Angle | 72.5° |
| Head Tube Length | 21.5 |
| Offset | 5 |
| Seat Tube | 55.9 |
| Seat Tube Angle | 72.5° |
| Standover | 84.8 |
| Trail | 5.8 |
| Wheelbase | 108.2 |
| Wheel Size | 700c |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.8 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Asurion is a great protection plan.
Asurion is a great product. I purchased a 3-piece cordless phones in 2022 and added the Asurion protection. Just recently the phones went out. I contacted Asurion and within 2 hours I had a gift card deposited in my Amazon account. I purchased new phones with the gift card and of course added the Asurion protection. I highly recommend Asurion protection plan.
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Reviewed in the United States on May 9, 2025
★★★★★ 5
Glad we got it! And will most definitely buy it for our future products!
Great experience! We always bought Asurion Protection on a lot of our electronics to be on the cautious side. We recently had one of those electronics give out on its 3rd year, and we luckily had purchased the Asurion Protection Plan. The claims process was easy, took less than 5 minutes. I packaged the electronic the following day and dropped it off with the shipping label they gave me. I received a full refund of my product within hours of having the returned item dropped off. I am glad we bought Asurion Protection for our other electronics, and will continue to buy it for our future products (not just electronics). Very pleased with how fast and reliable they were, and enjoying the comfort of knowing our products are protected.
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Protection Paid Off...Super Quick
The protection plan was easy to obtain and even easier to submit a claim. It came in very handy, especially with a device that you know is important but are uncertain if it will endure "the test of time." Knowing I had the Asurion plan to begin with made me more confident to purchase the device. When the claim needed to be filed it was a breeze and the process from start to reimbursement was super quick. Was happy to get the full paid price back and used it to buy a replacement right away. It's a no-brainer, get it with any electronics...peace of mind so worth it!
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Reviewed in the United States on September 17, 2024
★★★★★ 4
Printers are okay refurbished.
For refurbished it was good had since 2022 just started not being able to connect. Hp quite not compatible any more.
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Reviewed in the United States on September 26, 2025
★★★★★ 5
Refunded my purchase price
I purchased the "TESmart" 2 computer KVM Switch. I always get the added warranty these day for electronics and I am glad I did. It has now been 3 years and the unit has stopped working correctly. It would switch between computers but the mouse and keyboard stopped working for one of the computers. I'm not sure exactly which component stopped working because the keyboard and mouse worked fine for the other computer. I did plugged the mouse and keyboard directly to the computer in question and they worked fine. I believe the "push threw" stopped for my W11 computer, meanwhile, the W7 computer keeps trucking on.
I say all that to say this, it's worth paying a few dollars more to get that little bit of extra security on the electronics these days. Unfortunately the prices have gone up on the KVM switches, at least the ones worth buying so I am in search of a new one now.
ASURION was easy to work with. It wasn't that much of a hassle. The slight glitch I experienced was their automatic system didn't register my claim correctly. Only mistake I made was making the claim over a weekend. I would say if you make a claim do it during the normal business hours. I was able to chat with an agent during working hours and they were able to remedy the issue quickly. I did have to ship the KVM switch and its components to Asurion but they paid for shipping and once I was able to package and ship the unit back, Asurion refunded my purchase price completely with an Amazon Gift Card.
So, all in all, it's all good!
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Reviewed in the United States on June 8, 2024