Sliding Sheave
TWH sliding sheaves are precisely machined for stable CVT operation and improved torque transfer. Made with high-strength materials, they ensure consistent performance under both daily use and high-load riding conditions.
DIO 50 Sliding Sheave Set
Enhanced Power Transfer & Acceleration
The DIO Sliding Sheave Set is engineered with high-precision machining and reinforced materials to ensure smoother power transfer and improved clutch and variator performance. With an optimized weight of 700g, it offers better rotational inertia, enhancing acceleration response for both performance tuning and daily riding.
🔹 Precision Machined – Ensures balance and stability, minimizing vibrations and power loss
🔹 Optimized 700g Weight – Improves rotational inertia for better acceleration response
🔹 Reinforced Material – Designed for durability under high RPM and heavy loads
🔹 Perfect for Performance Upgrades – Enhances power transfer and overall efficiency
Product Specifications
✔ Weight: 700g
✔ Material: Reinforced alloy
✔ Compatible Models: DIO series
Upgrade to the DIO Sliding Sheave Set for smoother acceleration, improved stability, and better power efficiency!
DIO-ZX Sliding Sheave Set
Enhanced Power Transfer & Acceleration
The ZX Sliding Sheave Set is engineered with high-precision machining and reinforced materials to ensure smoother power transfer and improved clutch and variator performance. With an optimized weight of 700g, it offers better rotational inertia, enhancing acceleration response for both performance tuning and daily riding.
🔹 Precision Machined – Ensures balance and stability, minimizing vibrations and power loss
🔹 Optimized 700g Weight – Improves rotational inertia for better acceleration response
🔹 Reinforced Material – Designed for durability under high RPM and heavy loads
🔹 Perfect for Performance Upgrades – Enhances power transfer and overall efficiency
Product Specifications
✔ Weight: 700g
✔ Material: Reinforced alloy
✔ Compatible Models: Honda ZX series
Upgrade to the ZX Sliding Sheave Set for smoother acceleration, improved stability, and better power efficiency!
GY6 125/150 Sliding Sheave Set
Large Diameter, Stable Power Transfer
⚙️ Built for high torque, high RPM, and lasting performance.
The GY6 125/150 Sliding Sheave Set features a 142mm outer diameter and 1085g optimized weight, engineered to increase belt contact surface and improve torque transfer. Its reinforced structure and precision machining make it ideal for riders seeking smoother acceleration, better cooling, and greater stability — whether for OEM upgrades or performance builds.
🔹 Large 142mm Diameter – Enhances belt grip and torque delivery
🔹 Optimized Weight (1085g) – Promotes smoother shifting and high-RPM stability
🔹 Reinforced High-Strength Material – Heat-resistant and built to last
🔹 Fits GY6 125/150 Models – Direct replacement with no modifications needed
Product Specifications
✔ Outer Diameter: 142mm
✔ Weight: 1085g
✔ Material: Reinforced Alloy
✔ Compatible Models: GY6 125 / 150 Series
Upgrade to the GY6 125/150 Sliding Sheave Set for stronger acceleration, smoother transmission, and improved reliability in every ride!
GSR/NEX/V125/SkyDrive Sliding Sheave Set
Smoother Shift • Stable Sliding • Balanced Power
⚙️ Engineered for smooth torque and responsive acceleration.
The Sliding Sheave Set for GSR / NEX / V125 / SkyDrive features a 140mm outer diameter and weighs 1020g, offering enhanced rotational balance and stable CVT performance. Designed to maintain belt tension under high load, this sheave set ensures smooth shifting, precise alignment, and consistent speed transition across the rev range.
🔹 140mm outer diameter / 1020g weight – Ensures stability and durability
🔹 Optimized groove angles – Supports smoother variator movement
🔹 High load resistance – Reduces wear during prolonged use
🔹 Direct fit for Suzuki-based models – Easy installation, no modification required
Upgrade to the GSR / NEX / V125 / SkyDrive Sliding Sheave Set and feel the difference in every throttle response.
JOG 50 Sliding Sheave Set
Precise Belt Tracking • 115mm Diameter • 685g Weight
🛠️ Built for balance, acceleration, and reliability.
This JOG 50 sliding sheave offers stable torque conversion and smoother power transmission, thanks to its balanced 685g construction and precision-cut 115mm diameter. Engineered for efficient belt tracking and consistent performance, it’s the ideal upgrade for stock replacement or pairing with high-performance CVT components.
🔹 Outer diameter: 115mm
🔹 Weight: 685g
🔹 Stable shifting performance – Smooth acceleration and power delivery
🔹 Designed for JOG 50 CVT systems – Compatible with OEM or tuned setups
Upgrade your JOG 50 with a torque driver that ensures steady belt movement and responsive CVT control.
JOG 90 Sliding Sheave Set
Smoother shifts, steadier backshift, daily-ready.
This Sliding Sheave Set for Yamaha JOG 90 uses guided slide tracks and true-running faces so the belt climbs cleanly and returns ratio promptly under load. Machined hubs align with OEM geometry for reliable fitment, while the broad face area helps manage heat during stop-and-go riding.
Highlights
Predictable Shift Curve — Guided sliding path supports smooth upshift and timely backshift.
Stable Belt Tracking — Face geometry helps reduce slip, glazing, and belt wander.
Concentric, True Running — Machined hubs/bores promote straight, low-friction travel.
Heat Management — Surface finish and face area aid dissipation for consistent feel.
Tuning-Friendly — Works with common contra springs and belts to target your RPM/load.
Product Specifications
✔ Type: Sliding Sheave Set (movable + fixed)
✔ Fitment: Yamaha JOG 90
✔ Focus: Shift smoothness / backshift stability / belt longevity
✔ Package Includes: Movable Sheave ×1, Fixed Sheave ×1
Installation Notes
Verify compatibility with belt width, clutch assembly, and cover clearance before installation.
Keep sheave faces and ramps clean and dry; do not grease belt contact surfaces.
Set contra spring rate to match target engagement/backshift; recheck roller weights.
After assembly, hand-rotate to confirm free travel; road-test and inspect for even contact and abnormal wear.
Power You Can Trust.
CYGNUS (GEN 1~5) Sliding Sheave Set
Stable backshift, smoother drive, cooler belt temps.
This Sliding Sheave Set (movable + fixed sheave) for Yamaha CYGNUS Gen 1–5 refines the CVT’s shift curve and backshift response. Helical cam tracks guide the sheave movement for predictable ratio changes, while a clean contact surface supports belt grip and heat control. Built to match OEM interfaces for straightforward installation and consistent alignment.
Highlights
🔹 Predictable Shift Curve — Helical cam profile supports smooth upshift and timely backshift.
🔹 Stable Belt Tracking — Face geometry helps reduce slip and glazing under repeated stops/starts.
🔹 Concentric, True Running — Machined hubs and bores promote straight, low-friction travel.
🔹 Cooling Support — Broad face area and finish aid heat dissipation to protect belt life.
🔹 Tuning Friendly — Works with common contra springs and belts to target RPM and engine load.
Product Specifications
✔ Outer Diameter: 138 mm
✔ Weight: 1070 g
✔ Type: Sliding Sheave Set (movable + fixed)
✔ Fitment: Yamaha CYGNUS (Gen 1–5)
✔ Focus: Shift smoothness / backshift stability / belt life
✔ Package Includes: Sliding Sheave Set
Installation Notes
Verify compatibility with your clutch, belt width, and cover clearance before installation.
Keep sheave faces clean and dry; do not grease belt contact surfaces.
Set contra spring rate to match target engagement and backshift; recheck roller/weight tuning.
After assembly, rotate by hand to confirm free travel; road-test and inspect for abnormal wear.
Power You Can Trust.
RS 100 Sliding Sheave Set
Smoother shifts, steadier backshift in a compact 122 mm set.
This Sliding Sheave Set (movable + fixed) is built for RS 100 CVT systems. Guided sliding tracks and a true-running face help the belt climb cleanly and return ratio promptly under load. The machined hubs align with OEM geometry for reliable fitment, while the broad face area supports heat management during stop-and-go riding.
Highlights
🔹 Predictable Shift Curve — Guided sliding path supports smooth upshift and timely backshift.
🔹 Stable Belt Tracking — Face geometry helps reduce slip and glazing.
🔹 Concentric, True Running — Machined hubs/bores promote straight, low-friction travel.
🔹 Cooling Support — Face finish and area aid heat dissipation to protect belt life.
🔹 Tuning-Friendly — Works with common contra springs and belts to target RPM and load.
Product Specifications
✔ Outer Diameter: 122 mm
✔ Weight: 745 g
✔ Type: Sliding Sheave Set (movable + fixed)
✔ Fitment: RS 100
✔ Focus: Shift smoothness / backshift stability / belt longevity
✔ Package Includes: Movable Sheave ×1, Fixed Sheave ×1
Installation Notes
Verify compatibility with belt width, clutch assembly, and cover clearance before installation.
Keep sheave faces clean and dry; do not grease belt contact surfaces.
Set contra spring rate to match target engagement/backshift; recheck roller weights.
After assembly, rotate by hand to confirm free travel; road-test and inspect for abnormal wear.
Power You Can Trust.