The base material used for EXP 4.0 has been updated to provide better strength in high temperature environments, critical for the heat clutch systems create. Next, the internal wall of the EXP 4.0 bases were redesigned for strength and rigidity, which helps translate to a more connected lever feel for the rider. On the outside of the EXP disk, riders will notice the friction pads now match the proprietary friction design found on Rekluse TorqDrive clutch plates. Applying this friction pad design helps match oil flow characteristics of the clutch pack beneath, promoting improved cooling capability and consistent operation. The ‘wedges’ are a critical component to the centrifugal functionality of EXP 4.0. In the previous iteration, the Teflon wedges would slide up and down ramps built into the EXP bases to engage and disengage the clutch. EXP 4.0’s wedge has been improved to now use rolling contact with built-in pins. Rolling versus sliding creates less friction and resistance, providing smoother engagement and a more responsive feel, creating stronger power delivery overall. New roller design reduces the friction coefficient by 98% When you need the best, look no further than RadiusCX it is the top of the line auto clutch product that brings together all of our latest technology into one package. TorqDrive friction disk technology coupled with the new EXP 4.0 and our Core technology results in significant advancement in auto performance with exceptional hook-up, lever feel and durability. Just when you thought auto couldn’t get better, RadiusCX 4.0 has raised the bar.
The REKLUSE RACING RadiusCX 4.0 Clutch for Yamaha is an advanced auto clutch system designed to deliver superior performance, durability, and rider control. Built with innovative EXP 4.0 technology, this clutch features a redesigned base material that enhances strength and temperature resistance, ensuring consistent operation in demanding riding conditions. The internal wall of the base has been reinforced to provide increased rigidity, resulting in a more connected and responsive lever feel for the rider.
On the exterior, the friction pads are now matched with proprietary Rekluse friction designs found on TorqDrive clutch plates, promoting optimal oil flow, improved cooling, and consistent engagement. The critical ‘wedges’ component has been upgraded from sliding Teflon parts to rolling contact pins, which significantly reduce friction—by approximately 98%—and facilitate smoother, more responsive clutch engagement. This innovative design translates into stronger power transfer, enhanced rider confidence, and a more refined riding experience. The RadiusCX 4.0 combines all of Rekluse’s latest advancements, including TorqDrive friction disk technology and core enhancements, to deliver increased hook-up, improved lever feel, and extended clutch lifespan.
The system offers numerous benefits such as eliminating stalling during start-stop scenarios, allowing taller gear selection to optimize suspension performance and save rider energy, and providing full manual override options for traditional clutch control. Its refined engagement curve is tailored to modern motorcycle engines, ensuring seamless power delivery. This clutch is ideal for riders seeking maximum control, increased traction, and reliable durability in challenging terrain, making it a top-tier choice for Yamaha enthusiasts.
Features:
- Auto Clutch Benefits: Eliminates stalling, start and stop without engaging the clutch lever
- Increased power transfer over OEM units for enhanced performance
- Allows riders to run a gear taller, improving suspension efficiency and reducing rider fatigue
- TorqDrive clutch pack extends clutch life and minimizes adjustments over time
- Full manual override capability to retain traditional clutch control
- Enhanced rider control, traction, and confidence in challenging terrain
- More direct power delivery with improved durability and rider-focused functionality
- Upgraded base material offers better strength at high temperatures
- Revised base design for increased strength and rigidity, improving lever feel
- Innovative wedge design with pins enables rolling contact, creating smoother engagement
- Friction pads matched with optimized oil flow for better cooling and consistent operation
- Updated engagement curves tailored for modern motorcycle engine characteristics
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