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Ships within 48 hours · Estimated delivery Oct 25 - Oct 30
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Description
carbon fiber fahrrad CTRComponent Specification Frame ROCKBROS 700C Carbon Fiber Frame Front Fork ROCKBROS Carbon Fiber Fork Handlebar Integrated Carbon Fiber Aero Handlebar Stem Integrated Carbon Fiber Aero Stem Saddle DDK Saddle Seatpost Carbon Fiber Seatpost Shifters ShunTai 212 Speed Shifters Derailleurs ShunTai 212 Speed Derailleurs Cassette 12 Speed 1132T Freewheel Brakes ShunTai Hydraulic Disc Brakes with 160mm Rotors Crankset Driving Hollow Crankset 170mm 50 34T Rims
| Component | Specification |
|---|---|
| Frame | ROCKBROS 700C Carbon Fiber Frame |
| Front Fork | ROCKBROS Carbon Fiber Fork |
| Handlebar | Integrated Carbon Fiber Aero Handlebar |
| Stem | Integrated Carbon Fiber Aero Stem |
| Saddle | DDK Saddle |
| Seatpost | Carbon Fiber Seatpost |
| Shifters | ShunTai 2×12-Speed Shifters |
| Derailleurs | ShunTai 2×12-Speed Derailleurs |
| Cassette | 12-Speed 11–32T Freewheel |
| Brakes | ShunTai Hydraulic Disc Brakes with 160mm Rotors |
| Crankset | Driving Hollow Crankset 170mm × 50/34T |
| Rims | 700C Carbon Fiber Rims, 40mm Depth |
| Hubs | Aluminum Alloy Sealed Bearing Hubs |
| Spokes | 14G High-Carbon Steel with Brass Nipples |
| Tires | Innova 700C × 28C F/V Tires |
| Weight | ≈ 8.98 kg (M Size) |
CTR ShunTai vs CTR Shimano 105 — Shifting & Braking System Comparison
| Feature | CTR ShunTai Version (2×12 Speed) | CTR Shimano 105 Version (2×12 Speed) |
|---|---|---|
| Shifters | ShunTai integrated hydraulic shifters with a slightly heavier, mechanical feel. Shifting travel is longer but crisp and reliable. | Shimano 105 R7120/R7170 dual control levers with refined ergonomics. Smooth, light, and highly precise shifting response. |
| Shifting Mechanism | Traditional cable-actuated system, with minor delay between front and rear derailleurs. | Advanced Shimano mechanical or electronic system (depending on setup) for faster, more accurate gear changes. |
| Brake Type | ShunTai hydraulic disc brakes using mineral oil. Strong braking power but firmer lever feel. | Shimano 105 hydraulic disc brakes with mineral oil. Smooth, linear braking power with excellent modulation and heat control. |
| Brake Calipers | Aluminum dual-piston design, simple and easy to maintain. | Shimano BR-R7170 (or similar) dual-piston calipers with high heat dissipation and consistent braking. |
| Brake Pads & Hoses | Uses standard mineral oil and compatible aftermarket pads. | Shimano original mineral oil and pads, offering longer lifespan and higher compatibility. |
| Maintenance | Easy and low-cost maintenance. | Longer service life but higher maintenance cost. |
| Riding Feel | Suitable for daily commuting and entry-level riders. | Ideal for intermediate to advanced riders seeking superior shifting and braking control. |
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
4.3 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 1
This company has terrible customer service and serious flaws in their printer design
Style: WF-4830, Set: DUAL TRAY (500 sheets)/FAX/ADF/PRINT/COPY/SCAN
I have never posted a seriously negative review of a product in the past as I try to work with the manufacture to fix their product problems and keep the customer happy. However, after prolonged attempts at resolution with this products issue I have to post something to show my frustration. The company has horrible customer service and does not support its flawed product, so I need to warn other potential customers to avoid my expensive mistake and seek a different manufacturer to purchase your printer and your ink.
I bought this printer in December of 2021. It initially worked fine. I left on a vacation in July and returned in August to a long list of items to complete with close deadlines. Many required me to use my printer. Unfortunately, when I turned on my computer, I chose to update the software for the computer and for the printer (automatic requests that I clicked yes on – bad mistake). Once the printer software was updated it rejected the ink in my printer (which has worked previously and was Espon brand). Given very tight deadlines I called all over town and found some new Epson ink 20 miles away. I bought it and returned. The printer rejected the new yellow ink. I called customer service asking for help rolling back my printer software so I could finish my job and was dismissed. Now with a few hours deadline, I had to go buy a NEW printer and new ink (clearly NOT Epson brand), return, install and print.
The deadline met, I recontacted Epson and asked them to take my printer back or replace the software as it was useless. I could not even print with black only ink when it rejected the yellow cartridge. They simply ignored me but asked for receipts, etc. to prove I bought new Epson Ink. That required more of my time to scan (with my new printer mind you), fill out forms, and submit. Weeks later they sent me a single new yellow ink cartridge. By then I was traveling again. I returned a month later, the ink was in my mail. I installed it – It does not work so now 6 weeks after the original problem I still cannot use my printer. I suspect to get any help I will need to go through all the same paperwork and hassle and will have no resolution of the software issue, which is the real problem, not the ink.
Bottom line – this is a deeply flawed device with very touchy software glitches. The company is so paranoid to protect their ink business that they had made their device(s) unusable. I now see they were sued and they settled that lawsuit a few years ago. What they have not done is fix the problem nor do they want to help customers who have problems.
I strongly recommend you not buy this device and seek a different manufacturer (probably none of their devices after reading the lawsuit information and noting they have not agreed to resolve the problem).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 6, 2022
★★★★★ 4
Not a simple plug and play. It does work though
Style: WF-4830, Set: DUAL TRAY (500 sheets)/FAX/ADF/PRINT/COPY/SCAN
Set up was not simple .. but I figured it out
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Great for small office
Style: WF-4830, Set: DUAL TRAY (500 sheets)/FAX/ADF/PRINT/COPY/SCAN
Works good just I expected
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Reviewed in the United States on June 6, 2026
★★★★★ 5
Good value
Style: WF-4830, Set: DUAL TRAY (500 sheets)/FAX/ADF/PRINT/COPY/SCAN
Great color printer. Accepts multi types of paper and stock. Dual sided printer.
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Reviewed in the United States on June 13, 2026
★★★★★ 5
First Rate Office Printer.
Style: WF-4830, Set: DUAL TRAY (500 sheets)/FAX/ADF/PRINT/COPY/SCAN
This is the second Epson product that we have owned. The previous model was still working after 8 years of dependable service when we replaced it. We tried to move up to an Eco Tank model that we purchased locally. The unit would not connect to our wireless network, so we returned it to the store and purchased this model from Amazon.
The overall quality of the output is just as good or even a little better than our old model. This unit is quite a bit faster that our old unit. The unit was also reduced by 34%, making an excellent buy. The jury is still out if it will be good in the ink usage department. Our old unit seemed to need a new cartridge every other week,
I would purchased this model again,
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026
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