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Description
gravel bike 50mm tires 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 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
such a good read
Format: Kindle
Madison, Lucas, Grey and Rian were made for each other!!! First time reading from this author and I’m not disappointed!!! Absolutely love the Love in this book and couldn’t ask for a better OV!
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Reviewed in the United States on October 25, 2023
★★★★★ 4
Fluffy and Nice Omegaverse
Format: Kindle
… this would have made 5 stars but for 2 reasons.
A.) there were quite a few typos; misspelled words, missing quotations, “the his” mistakes, and various signs that maybe a proofread would do good.
B.) the writing was quite textbook. Late blooming omega is struggling with her new self, finds a absurdly wealthy pack of alphas, every thing is almost insta-love but she resists, then decides to love herself and let everyone be happy.
Rian was my favourite (obviously the author’s favourite too because he got the most page time) but I wish we could see more of his CEO side? He went to work maybe ONCE the entire time. Gray was supposed to be the “growly one” but he turned out to be puppy dog. Lucas was a genius brainiac doctor - but also super alpha with an aggressive hindbrain with a breeding k*nk?? And then there was no actual “breeding”??
Spice 3/5 - normally omegaverse books are super high on messy smut but this was tamer.
Romance 3/5 - insta-love that was then resisted because of personal hangup’s
Plot 2/5 - weird paced head hopping, showing the same scene from different POV’s that made me feel like it was 2 steps backward, 1 step forward.
Humour 4/5 - there were a dozen lines that genuinely made me chuckle out loud
Would have been five stars but the lack of proofreading and the predictable plot made me unable to get up to ADORED IT level - four stars is still and official ENJOYED IT, y’all. This isn’t a bad rating. The “Club Heat” has intriguing possibilities so I’m going to give the second one a shot.
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Reviewed in the United States on March 31, 2023
★★★★★ 5
Fantastic writing and non-stop action
Format: Kindle
This is a promising, fantastic beginning to what will be a 4-book series. Some readers may be content to read only the first 2 books, but I think you'll find that the story is so good that you'll want to keep reading books 3 and 4.
Book 1 is about omega Elvana's introduction to the "Starling" brothers and their search for another missing person, Kelly. It's a bit of a rocky start, with deception and betrayal a key element. Hardly an auspicious beginning. Each member has their own path and purpose in the pack. Their interactions and the resulting narrative are so well-written that I found it difficult to put down.
There is a cliffhanger that will have you reaching for book 2 as you finish, so make sure you have it on hand.
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Reviewed in the United States on September 27, 2023
★★★★★ 4
Fun read
Format: Kindle
I'm not really into mafia books but I love Roxy Collin's other series so I decided to give it a try. It had the same great romance, spice, swoon-worthy characters and exciting plot that are her signature. Arben was my favorite, although it was a bit sudden how quickly he changed from ignoring her to wanting to be pack. There were almost too many twists/layers of lies to keep track of but I'm looking forward to reading the other books.
The only thing that detracted from the story for me was the need for a bit more proofreading. It was mentioned that Kelly is a female and male at different points, leading me to think she changed her mind at some point about the character's gender but didn't go back and edit it to align in all places. Like another reviewer pointed out, step siblings are different than half siblings. They are incorrectly referred to as step siblings because they (allegedly) share the same biological dad. There are a few other typos as well but those aren't a big deal.
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Reviewed in the United States on March 18, 2025
★★★★★ 5
Stepbrothers, Secrets, and Sizzling Heat
Format: Kindle
Twisted Lies by Roxy Collins is a wild ride through family secrets, amnesia, and a steamy stepbrother romance. When Kelly discovers her life is built on lies, she ends up tangled with three alpha stepbrothers and an assassin who once helped her through a heat.
The tension? Off the charts!
The heat is real, and the complications are messy in the best way. Full of twists, secrets, and fated mates? You'll be hooked from page one!
Love omegaverse drama with a dash of taboo? This one's for you!
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Reviewed in the United States on September 10, 2024