SKU: 50588138850
gravel bikes with 50mm clearance

gravel bikes with 50mm clearance Bracken Gravel Frame

Sale price$21.58 Regular price$23.98
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  • CAN

Ships within 48 hours · Estimated delivery Oct 7 - Oct 12

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Description

gravel bikes with 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.

Contact Us
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: 50588138850

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LA W.
Massapequa, US
★★★★★ 5
Just as Expected
Great pillows, exactly what I wanted.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
B
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Brian P
Omaha, US
★★★★★ 5
Cariloha pillow cover replacement
Color: White, Size: Queen
I have a queen size Cariloha resort pillow and the zipper on the cover broke. This replacement is SPOT on and fit perfect. Material feels comparable to original very pleased.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
M
Mika Meeko
New York, US
★★★★★ 5
The fabric feels soft and noticeably comfortable against the skin
Color: White, Size: Queen
This is a zippered pillow protector made from a bamboo/polyester blend with a quilted surface. I’ve been using it for a few months on a standard queen pillow, including regular washing and everyday use. It’s also been exposed to dog hair, which I’ve been able to manage by vacuuming the surface. Pros The fabric feels soft and noticeably comfortable against the skin Breathable design helps keep the pillow from feeling overly warm Quilted texture adds a bit of cushioning without changing the pillow’s shape Zipper closure keeps the pillow fully enclosed and secure Holds up well after multiple washes Vacuuming the surface works well for removing pet hair Cons White fabric shows dirt and hair more easily between washes Slightly thicker than a basic pillowcase, which may not suit everyone Bamboo blend feel is smooth but not identical to 100% natural fabrics Bottom line: For me, this has been a comfortable, low-maintenance pillow protector that holds up well over time, especially useful if you want something breathable that can handle regular cleaning and pet hair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
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Verified Purchase
r c.
Louisville, US
★★★★★ 4
Say goodbye to neck pain
Color: White, Size: Queen
This is a very good product but it takes some time to adjust removable stuffing to accommodate individual sleeping patterns.
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Reviewed in the United States on April 15, 2026
D
Dale Kim
Houston, US
★★★★★ 5
Soft and comfortable cooling pillowcase that gets the job done!
Color: White, Size: Queen, Color: White, Size: Queen
I got this quilted bamboo pillow protector (queen size) because I wanted a cleaner, cooler layer between my pillow and pillowcase since I’m always hot. This has been a great solution for that. The fabric feels soft and smooth, and it doesn’t make that crinkly noise some cooling pillowcases do. I’m a warm sleeper and the “cooling” aspect feels more like breathable than icy-cold, but it definitely sleeps more comfortably than the thick polyester protectors I’ve used in the past. The light quilting adds a little cushion without making my pillow feel bulky or changing the loft much. I like the fact that if you use a memory foam fill pillow you can add or remove some of the filling to make the pillow as firm or mushy as you want. This is especially helpful for people that are side sleepers vs people that need more neck support. The zipper is a big plus. Just be careful when zipping it open and closed as these are usually the first point of failure for pillowcases in my experience. It closes fully and keeps the protector snug so it doesn’t shift around inside the pillowcase, and it gives me peace of mind for sweat / oils and everyday wear. I’ve washed it and it came out fine with no weird shrinking, and the stitching still looks clean. For the price, it feels like good value if you’re trying to extend the life of a nicer pillow while keeping the sleep surface soft and breathable. It’s one of those small upgrades you don’t think about much once it’s on, which is kind of the point. It just works and helps me sleep more comfortably.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 1, 2026

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