About The Trek Domane RSL Gen 4 Frameset

The Trek Domane RSL Gen 4 Frameset is Trek's Race Shop Limited endurance road platform — an ultralight 800 Series OCLV Carbon frame used by professional road racers on the most punishing cobblestone courses in the world. The RSL designation signals the top of the Domane lineup: refined rear IsoSpeed, H1.5 geometry for a more aggressive race position, Kammtail tube shapes for aerodynamic advantage, and a longer wheelbase that tracks precisely on rough, high-speed roads.

The RSL's rear IsoSpeed compliance allows pros to go flat-out over Paris-Roubaix cobblestones without destroying their legs — on your builds, it translates to arriving at the finish feeling significantly better than riders on less compliant frames. Tire clearance up to 38mm keeps you comfortable on light gravel or rough chip-seal. The frame comes with the Domane SLR carbon fork with internal brake routing, fender mounts, and carbon dropouts.

Who It's For

  • Serious road riders and competitive racers who want the most capable endurance race frame Trek makes
  • Riders who prioritize compliance and comfort on rough roads without sacrificing speed or aerodynamics
  • Builders putting together a high-end road race build with premium components
  • Not ideal for: pure weight-weenie climbing builds, casual riders, or riders who don't need race-level performance

What to Look For

  • IsoSpeed: Rear compliance is built into the frame — this affects seatpost selection and fit; plan accordingly
  • Fork: Domane SLR carbon fork included with internal brake routing, fender mounts, flat mount disc, carbon dropouts, 12x100mm thru axle
  • BB standard: Flat mount disc; 142x12mm thru axle rear; internal cable routing throughout
  • Geometry: H1.5 puts you in a more aggressive position than standard Domane — confirm fit before building

Key Features

Frame — 800 Series OCLV Carbon with Rear IsoSpeed: Trek's highest-grade carbon in the Domane family. Kammtail aero tube shapes for speed. The IsoSpeed decoupler provides vertical compliance that directly reduces rider fatigue over rough, sustained efforts. 3S chain keeper, flat mount disc, hidden seatpost clamp.

Fork — Domane SLR Carbon: Included. Tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, carbon dropouts, 12x100mm thru axle. Matched weight and compliance to the RSL frame.

Compatibility — Flat Mount Disc / 142x12mm: Internal cable routing, 3S chain keeper, flat mount disc brakes front and rear, 142x12mm thru axle rear. Standard modern road compatibility for wheels, drivetrains, and components.

Routing & Mounts: Internal cable routing throughout. Hidden seatpost clamp. Fender mounts on fork. Internal downtube storage with top tube bag mounts for all-day essentials.

Rider Intent Summary

  • Biggest strengths: Ultralight 800 Series carbon, rear IsoSpeed compliance, Kammtail aero shaping, H1.5 race geometry, Domane SLR fork included
  • Tradeoffs: H1.5 geometry demands a fit that accommodates the aggressive position; IsoSpeed rear end affects seatpost compatibility; premium pricing reflects RSL specification
  • What makes it different: The RSL specification is what the pros race on — the same frame and compliance technology used at Paris-Roubaix, available for custom builds

Victory's Take

At Victory Bicycle Studio, the Domane RSL Gen 4 is the answer when a rider wants the best endurance road frame available and won't compromise — the IsoSpeed compliance and 800 Series carbon layup make this the most capable rough-road race platform in Trek's lineup.

What you get

  • Frame - 800 Series OCLV Carbon, IsoSpeed, H1.5 race
  • Fork - Domane SLR carbon included
  • BB - Flat mount disc
  • Tires - 38mm max tire clearance
  • Axle - 142x12mm thru axle
Domane RSL Disc F/S 56 Trek Black

Trek

Trek Domane RSL Gen 4 Frameset

Regular price $4,599.99 USD
Sale price $4,599.99 USD Regular price $4,599.99 USD

Specifications

Frameset
Frame

800 Series OCLV Carbon, IsoSpeed, tapered head tube, internal cable routing, 3S chain keeper, flat mount disc, 142x12mm thru axle

Fork

Domane SLR carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, carbon dropouts, 12x100mm thru axle

Wheels
Front Thru Axle

Bontrager Switch thru axle, 12x100mm

Rear Thru Axle

Bontrager Switch thru axle, removable lever, 12x142mm

Max Tire Size

35mm

Drivetrain and Brakes
Max Chainring Size

1x: 54T, 2x: 54/40

Max Brake Rotor Size

160mm front & rear, flat mount

Cockpit
Handlebar Clamp

31.8mm

Additional Information
Weight

1057g - 56cm frame (painted), 401g fork (painted)

Weight Limit

275 lbs (125 kg)

Frequently Asked Questions

How is the bike packaged and how long does delivery take?

All bikes are securely packaged to ensure that damage doesn't occur during shipping. All parts of the bike are padded and if needed, zip tied to minimize or eliminate movement inside the box. Once a bike is handed to the shipping company (usually Fedex or UPS), depending on your location, delivery will range from 1 day to 8 days. If you do choose the option for Professional Assembly or White Glove Delivery, this can add anywhere from 2 days to 5 days to the lead time.

Can I finance the purchase of my new bike?

Yes.  Simply select the Shop Pay Installments option which will allow you to buy now and pay later.  Shop Pay Installments is powered by Affirm.  If you would like to determine your spending limit, simply download the Shop app or the Affirm app on your smartphone and after you create an account on one of these apps, the app will let you know what is your spending limit.

Can I return the bike if it doesn't suit my needs?

Our return process is as follows. The customer is responsible for the return label ($150). Once the returned bike arrives at our warehouse, our team will inspect it and make sure it is in new condition and undamaged. Once we verify, we will process the return and issue a refund to the original payment method on file. To clarify the amount refunded, it would just be the amount of the bike (and tax if applicable) less the $150 shipping label that we provided, but the original shipping is not refunded. So if the original bike cost $4,500 and shipping was $150 (so you paid $4,650), you would be refunded $4,350 (the $4,500 less $150 for the return label) assuming the bike was returned in new and un-used condition and within the 30 day return period.

What does the warranty of my new bike or product cover and what is the warranty period?

Depending on the bike or any product, different companies have different warranty policies.  If you do ever have an issue with your bike or any product, simply email us at online@victorybicyclestudio.com and we will assist with any warranty issues and clarify the warranty for the affected product.

Can I have my bike serviced at any bike shop?

Typically, to avoid any issues with your warranty, you should bring your bike to a certified mechanic or bike store for that bike (i.e. if you have a Trek bicycle, you should bring the bike to be serviced to a local bike store that is an authorized Trek dealer).  If you need assistance, simply email us at online@victorybicyclestudio.com and we can direct you to a certified dealer of your bike.

Do you ship bikes internationally?

We unfortunately do not ship bikes outside of the 48 contiguous states of the United States. We do recommend for international customers to open (or use a current account) account with a freight forwarding company. If you use a freight forwarding company located in the U.S., make sure to put your billing address for a dedicated credit card as the same address as the freight forwarder so that you don't have any credit card or payment method issues).

Once you do this, simply place an order with us and we can ship to the U.S. address as long as the credit card doesn't get rejected. Once the freight forwarder has the box/order/shipment, you would instruct them to then ship to you in your home country and they would charge you their own shipping charge to ship to your international address.

Do you offer free shipping?

We do offer free shipping on non-bike orders over $100. We do not offer free shipping for bicycles unless it is a one time promotion. Generally, bike shipping will cost $150 and that covers just the shipping of the bike with no assembly. If you were to bring that bike to your local mechanic or bike store, you would pay them their assembly fee. If you choose our Professional Assembly option for $200, our service technicians would assemble the bike before shipping and then re-pack the bike safely for transit. When you receive the bike you would attach the front wheel, attach the seatpost/saddle, and raise the handlebars and clamp them. Those three items do have to be detached to minimize or eliminate the chance of damage in transit.

How much does shipping cost?

For orders of parts, accessories, apparel, etc. on orders under $100, shipping is a flat rate of $9.99. Regular bike shipping without assembly is $150, bike shipping with Professional Assembly is an additional $200 (so $350 in total which includes the $150 of regular shipping). Our White Glove Delivery option is $699 and that will cover the assembly of the bike and our White Glove Delivery partner delivering your dream bike to your front door, ready to ride!

How can I track my order?

When you place your online order, you will receive an instantaneous email update with your order number and order details, and shortly after, you will receive a follow up order email with the tracking number for your order.  If you still need assistance with your order, feel free to email us at online@victorybicyclestudio.com and we will respond asap.

What happens if my package arrives damaged?

If your package arrives damaged, email online@victorybicyclestudio.com with pictures of all angles of the box and pictures of the damaged product and we will work with you to either send a new replacement asap and coordinate return (or re-imburse you for labor or costs incurred to fix the issue at your local bike store).

Are pedals included with the bike?

If you do not see pedals in the bullet point product specs on the product page, the bike does not come equipped with pedals.  Many manufacturers do not spec bikes with pedals, so they are often purchased separately.

If I only pay the $150 for bike shipping, can I assemble the bike on my own?

Victory Bicycle Studio highly recommends that you bring your bike to your local certified bike store for the brand of the bike that you purchased. If you do attempt to assemble the bike and damage occurs, this may result in your warranty not being honored. For that reason, we do highly recommend to select our Professional Assembly option for $299.