# RT9

**Doorprice Score 6.1/10** (Mixed; likely 5.1–7.0, low confidence).
Price: $9,150.00 at X-LAB (with est. tax $9,817.04; shipping set at checkout).

## What matters for bikes (out of 10)
- Ride comfort: not enough reviews yet
- Speed & weight: not enough reviews yet
- Components: not enough reviews yet
- Tire room & versatility: not enough reviews yet
- Reliability: not enough reviews yet
- Value for money: 5.7 (price against similar products)

Weight these for a personal score: add ?priorities=comfort:2,speed:2 (ids: comfort, speed, components, versatility, reliability, value).

## Reviewer verdicts
- FairWheelBikes: 6.5/10 — Asks if the RT9 is the world's lightest frame; weighs stock components, results described as surprising at a good price. https://www.youtube.com/watch?v=GX-6CeypZjA
- FairWheelBikes: 6.0/10 — Shop build of a lightweight RT9 using featherlight aftermarket parts; shows a weight-focused build, no drawbacks stated. https://www.youtube.com/watch?v=-CBRG2z0Q7A
- CADE Media (sponsored): 4.5/10 — First look at the X-LAB RT9 'world's lightest bike'; reviewer says 'close, but no cigar.' https://www.youtube.com/watch?v=FZdM71UyR08

## Specs
- Frame Weight: 6.20 kg (13.64 lbs) at size L
- Frame Material: Toray T1100 and M40X carbon fiber
- Drivetrain: Shimano Dura Ace Di2 (RD/R9250/FD/R9250/ST/R9270/BR/R9200)
- Wheelset: Branta C50 ULR carbon rims with carbon spokes
- Crankset: Branta carbon with integrated power meter
- Tires: Michelin Pro 5 700x28c

## Where to buy
Buy at X-LAB: https://xds.co/cart/48241144955095:1?_gsid=hQTzDnYnum13&utm_source=shopify&utm_medium=catalog
For the price delivered to a ZIP (real shipping options, promotions, estimated tax) ask for the delivered price of shopify:2Wdq05C3E51YCxGxLlQwY5.