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GRIND GR1ST Carbon Gravel Frameset

GRIND GR1ST Carbon Gravel Frameset

It's the ultimate foundation for your next custom build, made from Toray carbon fiber for strength and lightness. Designed for versatility, it supports all current 1x and 2x drivetrains, ensuring wide compatibility for your dream setup.

We emphasize ease of maintenance and reliability with a non-integrated handlebar and stem, round seatpost, threaded bottom bracket, and UDH - choices that guarantee straightforward adjustments and durability.

With clearance for up to 700Cx50 or 650Bx2.1 tires and 24 mounting points, the GR1ST frameset is ready for any adventure, ensuring you can carry all your essentials.

Regular price 7.000,00 PLN
Regular price Sale price 7.000,00 PLN
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Size Guide Gearing Guide
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GRIND GR1ST custom painted gravel bike

Technical Specs

Frame: GRIND Toray Carbon Fiber

Fork: GRIND Toray Carbon Fiber / Tapered

Seatpost: GRIND Toray Carbon Fiber / 27,2mm

Seatpost Clamp: 31,6mm

Headset Bearings: 1 1/8" - 1 1/2"

Bottom Bracket: BSA 68mm / Threaded

Caliper Mounting: Flat Mount

Rotors: 140 / 160

Thru Axles: 12x100 / 12x142

Tire Clearance: 700Cx50 / 650Bx2.1

Biggest Chainring: 46T for 1x / 50/34T for 2x

Derailleur Hanger: UDH

Weight:  Frame 1350g (size 56, painted, including all hardware) / Fork 550g / Seatpost 180g

Frameset Features

Geometry Chart

Frame Size XS S M L XL XXL
Stack (A) 537 557 568 590 609 628
Reach (B) 371 375 376 385 394 403
Head Tube Angle (C) 70,5 71 71,5 72 72 72
Head Tube (D) 120 140 150 170 190 210
Seat Tube Angle (E) 74,5 74 73 73 73 73
Seat Tube (F) 490 520 540 560 580 610
Top Tube Length (G) 520 535 550 565 580 595
BB Drop (H) 67 67 67 67 67 67
Front-Center (I) 594 595 600 611 626 641
Wheelbase (J) 1020 1025 1025 1037 1052 1068
Chainstay Length (K) 435 435 435 435 435 435
Fork Length (L) 395 395 395 395 395 395
Fork Rake (M) 50 50 50 50 50 50
Standover Height 759 786 803 823 843 863
Bike Geometry Chart


What's included with the GR1ST frameset?

The GR1ST frameset comes with everything you need to start building your bike, including the frame, fork, seatpost, headset, expander plug with top cap, spare bolts, a spare derailleur hanger, as well as cable guides and covers suitable for different groupsets.

What's the maximum chainring size?

For a 1x setup, the maximum size is 46T. If you're using a 2x setup, you can go up to 50/34T.

Is custom paint available for the GR1ST?

Within this configurator you can choose from six predefined options. For more complex custom paint jobs, contact us directly or fill out the contact form.

Can the GR1ST frameset be used with a suspension fork?

While the GR1ST frameset is optimized for rigid forks to maintain its intended geometry and performance characteristics, it can accommodate certain gravel-specific suspension forks with compatible dimensions. Please contact us with your suspension fork model to ensure compatibility.

What is the maximum rotor size for disc brakes?

The GR1ST frameset is compatible with disc brake rotors up to 160mm in diameter, both front and rear.

What is the weight limit for the GR1ST frameset?

The GR1ST frameset is built to handle a combined weight (rider, bike, and cargo) of up to 130kg, ensuring it can support your adventures without compromising performance and durability.