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Ventum GS1 Gravel Bike - 2026, Medium

Item #BGR16744
Condition: Certified Pre-Owned
Fit Range: 5'7" - 5'10"

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Every Certified Pre-Owned bike passes our multi-point inspection
  • Frame integrity verified
  • All components inspected
  • Drivetrain cleaned and tuned
  • Suspension adjusted
  • Wheels trued
Shipping

Our RideFast shipping means this bike gets to you quickly and securely.

Quick Assembly
  • Bikes arrive tuned and mostly pre-assembled
  • Video guide included
  • Get riding in 15 minutes
Canadian Customers

Please note that any duties, taxes, or surcharges as required by Canadian customs and provincial authorities will be the buyer's responsibility. Shipping to Canadian addresses may take longer than expected due to customs.

30-Day Returns

If this bike isn't perfect for you, our Ride Guides will help you find the right one.

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Gravel Podiums En Route

Why We Love It
With the success of the Ventum NS-1 design, it seemed like only a matter of time before Ventum released a gravel bike. As a company hyper-focused on performance, it's fitting that the GS-1 is a fast-paced, off-road racing machine. Ventum gives you the option for 1x or 2x drivetrains, which isn't a given anymore on some gravel bikes. The frame allows for up to 700 x 56mm front tire and 700 x 50c rear tire and has a flip chip in the front wheel dropout to customize feel. This bike feels fast and right at home on the pavement and doesn't miss a beat when heading off to explore the roads less traveled.
Upgrades
  • ENVE 45 Carbon Tubeless Compatible wheelset
Master Mechanic’s Notes
  • New handlebar tape
  • Light scratches on the non-drive side seatstay
Specifications
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Details
Original MSRP $7,300.00
Year 2026
Brand Ventum
Model GS1
Size Medium
Frame Material Carbon Fiber
Drivetrain Shimano, 1x12 spd
Weight 17 lbs 14 oz
Build
Fork Ventum GS1, Carbon
Brakes Shimano GRX RX820, Disc Brakes - Hydraulic
Shifters Shimano GRX Di2 RX820, Electronic
Rear Derailleur Shimano GRX Di2 RX827
Bottom Bracket Shell Threaded
Crankset Shimano Ultegra R8100 Alloy, 48t, 165mm
Cassette Shimano XT M8100, 10-51t
Chain Shimano
Handlebar Vision Metron Carbon, 34cm
Headset Ventum
Stem FSA KFX Alloy, 31.8mm x 120mm, 20°
Seatpost Ventum GS1 Carbon , Frame Specific
Saddle PRO Stealth w/ Carbon Fiber (7x9mm) Rails
Front Axle Spacing 12x100mm (Thru-Axle)
Rear Axle Spacing 12x142mm (Thru-Axle)
Wheelset ENVE 45 Carbon Tubeless Compatible, ENVE
Front Tire Pirelli P Zero Race TLR, 700C x 40C
Rear Tire Pirelli P Zero Race TLR, 700C x 40C
Tire Type Tubeless
Tubeless Compatibility Bike ships tubeless
Charger Included yes
Pedals Sold separately
Geometry
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Bike geometry chart
Inspected. Tested. Trusted.

What is CPO?

CPO bikes are gently ridden bikes that have been meticulously inspected, restored and serviced. Every CPO bike is cleaned, tuned and tested in our top-of-the-line Colorado headquarters. Road, mountain, ebike or gravel, TPC services each bike over 8 phases and multiple points of inspection.

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to be used.