Gravel Ti_GRX Di2

Gravel Ti_GRX Di2

$6,399.00
  • Lifetime warranty
Size

Build Specs

  • BlackHeart 3Al-2.5V double-butted titanium frame
  • BlackHeart Carbon SL seatpost 0mm
  • ENVE Gravel In-Route carbon fork
  • FSA SRS Headset
  • Shimano GRX ST-RX825 shifters
  • Shimano GRX BR-RX820 brakes
  • Shimano GRX  FC-RX820-1 42T crankset
  • 4iiii single-sided power meter (optional)
  • Shimano GRX RD-RX827 rear derailleur
  • Shimano GRX CS-M8200 10-51T cassette
  • Shimano GRX CN-M8100 chain
  • Shimano RT-CL800 160mm rotors
  • Shimano BT-DN320 battery
  • Shimano EC-DN100 charger
  • Praxis steel bottom bracket
  • BlackHeart Carbon barstem
  • Hunt Gravel Carbon wheels
  • Pirelli Cinturato Gravel RM 45mm tires
  • Fizik Microtex bar tape
  • Fizik Vento Argo R5 140mm saddle

For out of stock sizes, next order of frames is due May 2026.

Contact to preorder out of stock sizes >  hello@blackheartbikeco.com

Frame

  • BlackHeart 3Al-2.5V double butted titanium frame
  • T47-85.5 bottom bracket
  • Electronic only
  • 34.9mm front derailleur hanger size
  • Max chainring
    - 48/31T Shimano
    - 48/35T SRAM
    - 48T single
  • Max 700c tire = up to 50mm
  • 1750 grams (Size 54)

Fork

  • ENVE Gravel In-Route carbon
  • ENVE 12mm thru axle
  • Max 700c tire = up to 50mm
  • 425 grams

Included Parts

  • BlackHeart Carbon SL seatpost 0mm
  • BlackHeart Titanium seatpost clamp
  • BlackHeart 12mm thru axle
  • FSA ACR Headset or ENVE in-route headset with ENVE bar/stem option

Weight

  • Rider weight limit = 275 lb / 125 kg
  • Builds typically weigh 17 to 22 lbs depending on groupset, wheel, tire, and component choice.
  • Framesets ship within 1 week after of order.
  • Full builds are built to order in California and ship week 4 after order.
  • Timelines are valid for in stock framesets and/or 3rd party vendor parts. For orders that include out of stock framesets and/or parts a custom timeline will be provided.

We independently test to CPSC 1512 and ISO 4210 standards and offer a lifetime warranty on our titanium and aluminum frames, titanium and carbon seatposts, and carbon forks and handlebars against manufacturing defects for the original owner.

BlackHeart barstem

One-piece carbon fiber
Fully- or semi-integrated routing
Drop 127mm
Reach 77mm
Flare 4.5° (+2cm in drops)
Stem angle -10°
38, 40, 42cm width
80-120mm length
375-400 grams
Computer mount included

Custom Paint

Custom fork paint can be added for $300.
Preview the available color combinations below.

**Note the renders are an approximation. You are encouraged to Google colors to see example pictures and/or order free color swatches to confirm.**

Sizing

We offer 9 sizes to fit you better, from ~ 5'0" to ~ 7'0".

Take advantage of our Perfect Fit Program for a guaranteed fit.

Geometry