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Description
gravel bike 50mm clearance Bracken Gravel FrameBlackwater Bicycles Titanium Gravel Bracken: The All Road Gravel Platform Bracken is a refined titanium gravel bike built for speed, comfort, and everyday versatility. With 3D printed titanium junctions, clearance for up to 700 x 50mm tires, UDH compatibility, T47 threaded bottom bracket, and a lively 415mm chainstay design, Bracken is made for riders who want one premium bike for fast gravel, long mixed surface routes, and all day exploration. 50mm
Blackwater Bicycles / Titanium Gravel
Bracken:
The All-Road Gravel Platform
Bracken is a refined titanium gravel bike built for speed, comfort, and everyday versatility. With 3D-printed titanium junctions, clearance for up to 700 x 50mm tires, UDH compatibility, T47 threaded bottom bracket, and a lively 415mm chainstay design, Bracken is made for riders who want one premium bike for fast gravel, long mixed-surface routes, and all-day exploration.
50mm
Maximum listed 700c tire clearance for gravel, rough roads, and mixed-surface riding.
415mm
Short chainstays keep the Bracken responsive, quick, and lively under power.
UDH
Modern derailleur hanger compatibility for easier service and future drivetrain options.
T47
Threaded bottom bracket standard for stiffness, serviceability, and long-term durability.
Tire Clearance
700 x 50mm clearance for real-world gravel.
Bracken gives riders the flexibility to run fast-rolling gravel tires, high-volume adventure tires, or more comfortable mixed-surface setups.
More Versatile
Move between pavement, gravel, dirt roads, and rough connectors with one frame.
More Comfortable
Higher tire volume helps absorb chatter and reduce fatigue.
More Confident
Wider tires add grip and stability when surfaces get loose.
More Capable
Room for bikepacking, fenders, and adventure setups.
With SRAM Wide front derailleurs, tire clearance may be limited to 45mm.
Why Bracken Exists
A modern titanium gravel bike without the compromise.
Bracken is built around the idea that a premium gravel bike should feel quick, stable, serviceable, and adaptable.
3D-Printed Titanium Junctions
Precision titanium details give Bracken a refined boutique finish.
UDH Compatible
Modern derailleur hanger compatibility for easier service and future drivetrains.
T47 Threaded BB
Threaded reliability combined with modern oversized stiffness.
Geometry
Built for all-day adventure.
Bracken geometry is designed for quick handling, stable descending, and all-day comfort.
Fit & Geometry
| Measurement | S 52cm |
M 54cm |
M/L 56cm |
L 58cm |
XL 60cm |
|---|---|---|---|---|---|
| Reach | 380 | 390 | 400 | 415 | 430 |
| Stack | 560 | 575 | 595 | 615 | 630 |
| Effective Top Tube | 512 | 530 | 544 | 563 | 582 |
| Seat Tube Length | 480 | 510 | 520 | 530 | 540 |
| Seat Tube Angle | 74° | 74° | 74° | 74° | 74° |
| Head Tube Length | 110 | 125 | 145 | 165 | 175 |
Handling & Chassis
| Measurement | S 52cm |
M 54cm |
M/L 56cm |
L 58cm |
XL 60cm |
|---|---|---|---|---|---|
| Head Tube Angle | 70° | 71° | 71° | 71° | 71.5° |
| Wheelbase | 1018 | 1022 | 1040 | 1061 | 1075 |
| Chainstay Length | 415 | 415 | 415 | 415 | 415 |
| BB Drop | 78 | 78 | 78 | 78 | 78 |
| Fork Axle to Crown | 395 | 395 | 395 | 395 | 395 |
| Fork Offset | 45 / 50 | 45 / 50 | 45 / 50 | 45 / 50 | 45 / 50 |
Trail Measurements
| Measurement | S 52cm |
M 54cm |
M/L 56cm |
L 58cm |
XL 60cm |
|---|---|---|---|---|---|
| Trail — 32mm Tire | 78 / 73 | 72 / 67 | 72 / 67 | 72 / 67 | 69 / 63 |
| Trail — 50mm Tire | 85 / 80 | 78 / 73 | 78 / 73 | 78 / 73 | 75 / 69 |
| Maximum Tire Clearance | 700 x 50c | 700 x 50c | 700 x 50c | 700 x 50c | 700 x 50c |
| Maximum Chainring | 48t | 48t | 48t | 48t | 48t |
| Brake Mount | Flat Mount | Flat Mount | Flat Mount | Flat Mount | Flat Mount |
| Axle Standard | 12x100 / 12x142 | 12x100 / 12x142 | 12x100 / 12x142 | 12x100 / 12x142 | 12x100 / 12x142 |
All measurements are listed in millimeters unless otherwise noted. Trail values are shown as 45mm offset / 50mm offset.
Technical Specifications
Built around modern standards.
Bracken combines titanium durability, modern drivetrain compatibility, internal routing options, flat-mount disc brakes, and generous tire clearance into one refined all-road gravel platform.
Specifications
Frame Material
Titanium 3D printed junction Ti 3AL-2.5V, 12x142 thru-axle, flat-mount disc, threaded T47 BB, internal routing
Fork Material
UD carbon, 12x100 thru-axle, flat-mount disc 160/180, internal routing
Sizes
Small 52cm, Medium 54cm, Medium/Large 56cm, Large 58cm, Extra Large 60cm
Fork Rake
45mm / 50mm
Fork Axle to Crown
395mm
Frame Weight
1750g +/- 2% size 56, no hardware
Headset
Integrated IS52 / IS52 internal drop-in
Seat Post Diameter
27.2mm
Bottom Bracket
T47 inboard bearing
Brake Mount
Flat mount
Rotor Compatibility
Front: 160/180, Rear: 140/160, adapters required
Axles
Front 12x100, Rear 12x142
Tire Range
Minimum 700 x 32c, maximum listed clearance 700 x 50c
Maximum Chainring
48t
Frame Routing
Headset internal or downtube internal
Mounts
4 bottle mounts, top tube mounts, fender compatible
Wheel Size
700C
Warranty
Backed by a 5-Year Limited Warranty
Request a Quote
Choose the frame, finish, drivetrain, wheelset, and cockpit setup that fits the way you ride. For full builds or custom options, contact Blackwater Bicycles for a quote.
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 ★★★★★
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Product Reviews
★★★★★ 5
ET-4800 EZ PZ set up and start up. Prints and scans just fine
Style: ET-4800, Color: White, Set: FAX/ADF/Print/Copy/Scan, Style: ET-4800, Color: White, Set: FAX/ADF/Print/Copy/Scan
An excellent home printer. And why did I purchase such?
I had an Epson WF-520 for nearly ten years. But neglect and lack of use caused the printer head to get gunked up. I cleaned the print heads using a solution of 95% Etoh and glass cleaner (about fifty/fifty), a syringe with a plastic tube attached and LOTS of paper towel strips. It was moderately successful but I was never able to get it back to like new printing.
I looked over several new printers and wanted to stay with Epson because of ease of use (copy, scanning, printing). Seems as tank printers are the way to go these days. So I ordered the ET-4800. Got here in only a couple of days. Setup was pretty easy, just follow the instructions either via the documentation included or online version. I have pinted and scanned a color test page. I used the built in SmartScan feature without having to think about it much. I am quite satisfied with the results.
By the way, there is no automatic two side printing. You actually have to get off your b---, take out the first printing, turn it over and refeed the stack. I was used to doing that with the old WF-520 and never had a problem.
I will now set up a once a week, automatic scheduled printing task. I will just have to make sure there is paper on hand. Lack of use is the killer of these inkjet machines regardless of manufacturer.
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Reviewed in the United States on February 16, 2026
★★★★★ 5
The intensity of the higher DPI and other settings makes this a marvelous Printer.
Style: ET-4800, Color: White, Set: FAX/ADF/Print/Copy/Scan
I am a former Canon product user for years. I became disappointed two printers ago. Support is horrible.
So, I ordered this Epson. Initially, because of the differences I was somewhat confused on the set-up; however, once completed, I can completely endorse this product. The printing is absolutely tops. The ink system is fantastic. AND, it has fax capabilities which I tested and works great. Can not say enough good things about it. I specialize in historical photo and documentation restoration - and this printer works GREAT.
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Reviewed in the United States on April 29, 2026
★★★★★ 3
It’s about support more than anything else !
Style: ET-4800, Color: White, Set: FAX/ADF/Print/Copy/Scan
Printer worked great until it didn’t. Cleared a paper jam that kept giving an issue. Then it gave a scanner error, after paper jam was resolved. I called support; they gathered all my info. Transferred me to someone else who then told me she’d email me some numbers to call for deals on refurbished printers or onsite support. I ended ups solving the problem… I threw the printer in the trash, and will likely not buy anymore epson products. I was willing to pay for service but not waste more time and making more phone calls. I had a credit card; i was willing to use it.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
My Go-To Sublimation Paper — Flawless Results Every Time
Size: 8.5"x11", Size: 8.5"x11"
This is hands down the best sublimation paper I’ve used and the only one I continue to buy. I get a perfect transfer every single time—no fracturing, no fading, and no uneven results. The paper dries fast, which makes my workflow so much smoother, especially when I’m producing items in batches.
I use this regularly to make air fresheners and tote bags for my small business, and the color payoff is always vibrant and crisp. The transfer rate is excellent, and it works beautifully on light-colored, high-quality polyester and other sublimation-ready surfaces.
If you’re a small business owner or crafter who values consistency, quality, and ease of use, this paper is absolutely worth it. I highly recommend it and will continue to repurchase.
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Reviewed in the United States on January 24, 2026
★★★★★ 5
Best Sublimation Paper
Size: 8.5"x11"
I’ve been using A-Sub paper for my sublimation projects, and it is easily one of the best. The ink dries almost instantly once printed, so I don’t have to worry about smudging the design or getting those annoying "pizza wheel" marks from the printer rollers. The paper itself feels substantial and doesn't tear or curl easily. One of the biggest wins for me is that it never jams; it feeds through perfectly every time, saving me the frustration of wasting expensive ink and paper.
When I go to press my designs, the ink releases almost completely, leaving very little behind on the paper and putting all that color onto the project. The final results look super professional, with colors that are vibrant and sharp rather than looking faded or dull. It has worked perfectly for everything I’ve tried so far, and if you want a reliable paper that gives you consistent, high-quality results, this is definitely the one to get.
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Reviewed in the United States on February 25, 2026