The X-LAB RS5 is a modern endurance road bike built around real-world performance and practical upgrades riders actually use. It combines a durable alloy frame with a full Shimano 105 12-speed groupset, integrated cockpit, and a factory-installed power meter—features typically reserved for bikes at a much higher price point.
This is a complete system designed to ride, train, and track performance out of the box without needing immediate upgrades.
Key Functional Details
- XDS X6 alloy frame with modern geometry and UDH compatibility
- Full Shimano 105 R7100 12-speed drivetrain and hydraulic disc brakes
- Branta alloy crankset with integrated power meter
- Apple Find My integrated into crankset for anti-theft tracking
- Carbon fork with 12mm thru-axle for improved front-end stiffness
- Semi-integrated cockpit for clean cable routing and modern fit
- Carbon aero seatpost for comfort and weight savings
- Wide-range 11-34T cassette for climbing and endurance riding
- 700x32c tires for comfort, grip, and real-world road conditions
- Complete bike weight: 9.54kg (Size L)
Technical Specifications
| Frame |
XDS X6 Alloy, UDH Compatible |
| Fork |
XDS Carbon, 100x12mm Thru-Axle |
| Drivetrain |
Shimano 105 R7100 12-Speed |
| Shifters |
Shimano 105 ST-R7120 |
| Rear Derailleur |
Shimano 105 RD-R7100 |
| Front Derailleur |
Shimano 105 FD-R7100 |
| Crankset |
Branta Alloy w/ Power Meter, 52/36T, 24mm spindle |
| Cassette |
12-Speed, 11-34T |
| Chain |
SUMC SX12 |
| Brakes |
Shimano 105 Hydraulic Disc (BR-R7170) |
| Rotors |
Shimano SM-RT56, 160mm Front / Rear |
| Wheelset |
Branta A35 SL Alloy |
| Tires |
Branta R332, 700x32c |
| Handlebar/Stem |
Branta Alloy Integrated |
| Seatpost |
XDS Carbon, Aero Profile |
| Bottom Bracket |
BSA Threaded, 24mm |
| Weight |
9.54kg / 21.03 lbs (Size L) |
| Sizes |
XS / S / M / L / XL |
Compatibility & Technical Notes
Sizing Chart is on the XDS website: Product Geometry
Good Fit:
- Riders looking for a complete road bike with modern 12-speed drivetrain
- Endurance and fitness riders needing wide gearing (11-34T)
- Riders wanting integrated power meter without aftermarket upgrades
- Mixed road conditions (32c tire clearance improves comfort and control)
Not A Fit:
- Riders seeking ultra-lightweight carbon race bikes
- Electronic shifting setups (this is mechanical 105 12-speed)
- Riders needing deep aero carbon wheels out of the box
This is a modern alloy performance platform with real-world upgrades already installed—no immediate component swaps required.
Service / Ownership Context
The threaded BSA bottom bracket simplifies service and reduces long-term maintenance issues compared to press-fit systems. Shimano 105 components are widely available and serviceable. The included power meter removes the need for a costly upgrade and integrates directly into training apps.
Fit & Use Signals
- Ideal for riders entering structured training (power-based riding)
- Strong option for endurance riding, group rides, and climbing routes
- Comfort-focused geometry with modern tire clearance
- Great value platform for long-term ownership without immediate upgrades
This is where the value stands out—power meter + 105 12-speed at this price point is rare. Customers will question it—be ready to explain that the crank is proprietary (Branta) but uses a standard 24mm spindle, so BB service is straightforward. Cassette spec listed (CS-R9012) is unusual—verify actual cassette on build (likely equivalent spec). 11-34T requires a GS cage derailleur—confirm RD spec matches. Wheels are entry-level alloy—good upsell path is carbon wheels later. Also note: integrated cockpit limits adjustability compared to separate bar/stem setups—fit matters at purchase.