SKU: 82658158644
blackwater gear

blackwater gear 3 Notch Bike

Sale price$26.12 Regular price$29.02
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Nov 13 - Nov 18

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Description

blackwater gear 3 Notch BikeBlackwater Bicycles Custom Titanium Gravel 3 Notch: The Blank Canvas The 3 Notch is where your ideas take form a titanium gravel platform engineered to be shaped entirely around you. Start with one of our proven stock geometries, then tune the details for your terrain, your fit, your riding style, and the bike you have always wanted to build. Custom Geometry, fit, mounting options, routing, and ride character can be shaped around your exact needs.

Blackwater Bicycles / Custom Titanium Gravel

3 Notch:
The Blank Canvas

The 3 Notch is where your ideas take form — a titanium gravel platform engineered to be shaped entirely around you. Start with one of our proven stock geometries, then tune the details for your terrain, your fit, your riding style, and the bike you have always wanted to build.

Custom Geometry, fit, mounting options, routing, and ride character can be shaped around your exact needs.
415mm Updated stock chainstay length keeps the platform responsive while leaving room for real gravel setups.
395mm Modern gravel fork axle-to-crown standard for confident handling and larger tire compatibility.
Yours Built as a one-of-a-kind Blackwater machine, not a stock frame with a few small options.
Blank Canvas Platform

Start with a proven shape. Make it entirely yours.

The 3 Notch starts as a clean titanium foundation, then becomes whatever you need it to be. Build it as a fast gravel racer, a long-distance all-road bike, a fully loaded bikepacking rig, or something completely your own.

Geometry, tire clearance, mounts, routing, finish, and component fit can all be tuned around the way you ride and the landscapes you chase.

Fit-Tuned Choose a stock size or adjust reach, stack, angles, and contact points for your exact body position.
Terrain-Tuned Design the frame around fast gravel, mixed roads, bikepacking, chunky terrain, or all-day adventure.
Build-Tuned Plan tire clearance, drivetrain choice, mounts, routing, and cockpit setup before the frame is made.
Purpose-Built A ground-up custom titanium build shaped around your ride, not someone else’s stock idea.
How It Works

Your dream bike starts with the details.

Pick from one of the stock geometries below, then decide what should stay, what should change, and what needs to be built around your riding style.

1. Choose a Base Size Start with the closest stock fit from Extra Small through Extra Large.
2. Tune the Numbers Adjust geometry, tire clearance, handling, mounts, and fit details.
3. Pick the Build Select drivetrain, wheels, cockpit, fork, finish, and custom features.
4. Make It Yours The result is a one-of-a-kind Blackwater built around your vision.
Why 3 Notch Exists

Not a stock frame. A starting point.

The 3 Notch is for riders who know a bike should match the person riding it. Instead of forcing your fit, terrain, and goals into a fixed production frame, 3 Notch gives you a proven titanium platform that can be shaped into the bike you actually want.

Custom Geometry

Start from a stock size or tune reach, stack, angles, chainstay length, bottom bracket drop, and fit numbers to match your riding position.

Custom Features

Add the mounts, routing, tire clearance, drivetrain compatibility, and fork details that make sense for your exact build.

Custom Purpose

Build it for speed, comfort, distance, bikepacking, racing, all-road use, or a balanced gravel setup that does a little of everything.

Geometry

Stock geometry, ready to customize.

Use these numbers as the starting point for your 3 Notch build. The stock geometry below has been updated with a 415mm chainstay length and 395mm fork axle-to-crown.

Fit & Geometry

Measurement XS
50cm
S
52cm
M
54cm
M/L
56cm
L
58cm
XL
60cm
Reach 375 380 385 395 405 415
Stack 565 570 580 595 605 620
Effective Top Tube* 526 533 546 560 578 593
Seat Tube Length 430 450 470 490 510 530
Seat Tube Angle 75° 75° 74.5° 74.5° 74° 74°
Head Tube Length* 123 129 140 155 165 181

Handling & Chassis

Measurement XS
50cm
S
52cm
M
54cm
M/L
56cm
L
58cm
XL
60cm
Head Tube Angle 71° 71° 71.5° 72° 72° 72°
Wheelbase 1004 1011 1014 1024 1037 1047
Chainstay Length 415 415 415 415 415 415
BB Drop 75 75 73 72 72 72
Fork Axle to Crown 395 395 395 395 395 395
Fork Offset 51 51 51 51 51 51

Trail Measurements

XS
50cm
S
52cm
M
54cm
M/L
56cm
L
58cm
XL
60cm
Trail 68 68 64 60 60 60
Fork Offset 51 51 51 51 51 51
Stock Chainstay 415 415 415 415 415 415
Stock Fork A-C 395 395 395 395 395 395
Custom Geometry Available Available Available Available Available Available
All measurements are listed in millimeters unless otherwise noted. Effective top tube and head tube length are estimated from the provided stock geometry and should be confirmed during final design approval.
Technical Specifications

Built around your standards.

3 Notch can be configured around the standards, clearances, and build details that make the most sense for your riding goals.

Custom Build Options

Frame Material
Titanium 3AL-2.5V custom gravel frame platform
Geometry
Choose stock geometry or request a full custom fit and handling profile
Fork Setup
Stock geometry shown with 395mm axle-to-crown fork; custom fork standards available by request
Chainstay Length
Stock geometry shown with 415mm chainstays; custom lengths available depending on tire and drivetrain setup
Bottom Bracket
Available in modern threaded standards, including T47 depending on build requirements
Brake Mount
Flat mount disc brake configuration available
Axles
Modern thru-axle standards available, commonly 12x100 front and 12x142 rear
Tire Clearance
Configured around your intended wheel and tire size
Routing
External, internal, downtube internal, or headset-style routing options depending on build goals
Mounts
Bottle mounts, top tube mounts, rack mounts, fender mounts, fork mounts, and bikepacking options available
Drivetrain
Design around 1x, 2x, mechanical, electronic, wide-range, or adventure drivetrain setups
Finish
Raw titanium, brushed titanium, etched graphics, anodized details, or custom finish options available
Warranty
Backed by a 5-Year Limited Warranty

Build your 3 Notch.

Pick from one of our stock geometries or tweak the numbers for a full custom build. Contact Blackwater Bicycles to start designing your dream titanium gravel bike.

Request 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:
  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: 82658158644

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4.3 ★★★★★
Based on 14 reviews
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Product Reviews
C
Verified Purchase
Chris_9725
Waukegan, US
★★★★★ 4
Effective temporary fix
Style: 18oz, Style: 18oz
The slim brand has always been an genuine effective fix. I have been using slime since I used to ride on bicycles. Well it is not a permanent fix for if you have a hole in your inner tube it is a great fix to hold you over until you are able to get to either the mechanic or to your local store to get a replacement inner tube. Overall, it's worth every penny and you get plenty in the canister that it comes in depending on which slime you are getting whether that's the plastic bottle for your inner tubes for a bicycle or the metal canister as I've shown in my picture for your SUVs trucks or vans. However I don't give this an entire five stars but more of four stars not because of their product but because resorting to using slime rather than fixing the problem is more of my own problem. ⭐⭐⭐⭐ 👍👍
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 25, 2024
C
Verified Purchase
Chara P.
Grantham, US
★★★★★ 1
Don't buy doesn't work
Style: 18oz, Style: 18oz
Terrible did nothing. Even tried to let wheel turn 360 degrees yet the solution get in the tire leak proper. Directions on can differ from instructions on here/Amazon. I followed directions on can EXACTLY and still didnt even hold one PSI of air. I'd be better off burning the $10 for warmth rather then waste it this way
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
K
Verified Purchase
Keith S
Draper, US
★★★★★ 5
Amazing stuff
Style: 14oz
I’ve been using this stuff for a number of years for a number of vehicles now and it works every time. It’s especially great with those small annoying leaks where you just lose a couple pounds every few days so you have to keep adding air like once a week. It totally seals it. The bottle says to only rely on it for 300 to 500 miles and then get a proper fix. However, I have not found this to be the case. The seal holds for the rest of the life of my tire every time I’ve used it. My only complaint is that I wish it was a little cheaper, but you can seal up 2 tires (use only half the can per tire - you can probably even get away with using less). There is a garage not far from me that fixes leaking tires for $10, which is the same price as this product so not really saving any money by using it. It’s more just a matter of convenience. Just make sure you get this “thru-core” one. They have other ones as well so it can get confusing, but the one you’d want for situations like I’ve described above (small to medium leak in a typical passenger vehicle) is this “thru-core” one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2023
D
Verified Purchase
Does not compare to Miralax!
Belleville, US
★★★★★ 3
It worked
Style: 14oz
The product works.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 24, 2023
P
Verified Purchase
Placeholder
Massapequa, US
★★★★★ 5
Saved the day, even at 25°
Style: 18oz
The tire tread was peeling off the tire causing a leak that could not be plugged. Completely flat. It was about 25° outside and the can only dispensed half the contents. Was able to inflate the tire and make it to the shop. So the slime saved the day.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2025

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