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Cardan gauche Megane 3 RS Véritable produit d'origine Renault
€482.88Price
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Drivetrain & Sports Gearbox Parts
Optimize Your Drivetrain: More Power, More Pleasure
At Optimiz Access, we offer custom-tailored solutions for a more efficient, direct, and responsive drivetrain. Whether you are aiming to put power down on the track or achieve sharper gear selection in daily driving, upgrading your transmission system unlocks the full potential of your sports vehicle.
Key benefits of an optimized drivetrain: faster and more precise gear shifts for dynamic driving, improved torque distribution for maximum traction, enhanced component reliability, and custom setups suited to all driving styles.
Essential Components for Gearboxes and Differentials
Our lineup brings together all the essential precision parts needed to maximize power transfer to the road:
- Clutches & Flywheels – Reinforced clutch kits, single-mass race flywheels, and high-friction materials built to handle high torque output.
- LSDs & Differentials – Limited-slip differentials designed to eliminate wheelspin and maximize exit traction.
- Shifters & Short Shifters – Precision short-throw shifters delivering crisp, rapid gear engagements.
- Final Drive Gears – Shorter ring and pinion gear sets providing explosive acceleration and mid-range response.
- Gearbox Oils & Bearings – High-performance synthetic gear oils and heavy-duty bearings engineered to protect gears under load.
Benchmark Brands and Trusted Partners
We work with the most respected motorsport manufacturers in the industry: CAE Racing, Sadev, Quaife, 4Tech Shifter, Helix, SACHS Performance, and TTV Racing. We also stock OEM factory parts to cover all your routine maintenance, servicing, and drivetrain overhauls.
Why Choose Optimiz Access for Your Drivetrain?
Since 2010, Optimiz Access has specialized in the custom upgrading and maintenance of sports and premium vehicles. By relying on us, you gain expert technical advice, high-precision components, and professional installation in our workshop in northern France (Hauts-de-France) — near Lille, Valenciennes, Cambrai, Arras, Seclin, Douai, and Saint-Quentin. We ensure strict quality control along with fast worldwide shipping.
Gear Up and Boost Your Sports Car's Traction Today
Don't let your engine's power go to waste. Trust the expertise of Optimiz Access, select your transmission hardware today, and take advantage of our fast dispatch to get your vehicle build underway.
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Reinforced Gear Shift Control Rod Renault Clio Gr N (7711129731)
Optimize the precision of your SADEV ST66 gearbox with this reinforced gear shift control rod from Renault Sport. Designed for the Clio Gr N, it replaces the original rod for more direct and precise gear changes.
€250.93Price
The SADEV 12x58 Final Drive Kit (12-tooth Secondary Shaft F1908058 and 58-tooth Crown Wheel F1908059) is the ultimate transmission part for your Renault Clio 3 X85 Cup equipped with the **SADEV ST75** sequential gearbox. Choosing this final drive ensures maximum acceleration and...
€2,211.77Price
Pair of Gear Shift Lever Ball Joint Spacers - Renault Clio 2 RS (2 necessary)
Reduces play in the gear shift lever ball joint for more precise shifts.
Improves driving feel and responsiveness of your Clio 2 RS.
€29.18Price
Kit réparation de butée
€70.27Price
Roulement Ar pour Clio 2 RS.
Lors du changement de disque arrière par un autre que celui d'origine, en général, le roulement n'est pas fourni, nous pouvons vous le fournir.
En cas d'achat de disques arrières et des roulements, nous vous les assemblons gratuitement sur simple demande.
€140.89Price
Do not let a failing transmission compromise your track performance. The SADEV friction disc (ref. F1401086) is the critical component to ensure perfect torque transfer for your sequential gearbox. Specifically engineered for the Renault Clio 2 Gr.N , Twingo R2 , and Clio 3 X85 Cup , this genuine part provides the reliability...
€100.74Price
The SADEV 17-Tooth Secondary Shaft (references F9001002 / 0109001002 ) is the drive pinion for the 17/55 final drive ratio in your SADEV ST75 sequential gearbox . This piece is vital for transmitting engine power to the 55-tooth crownwheel and is homologated for the Renault Clio 2 X65 Cup ....
€928.99Price
Optimise the sealing and performance of your Renault Megane 3 RS with our genuine Renault right-hand drive shaft seal!
This high-quality universal joint is designed to ensure a perfect connection between the right-hand drive shaft and the gearbox, preventing oil leaks and internal damage.
€18.47Price
Fourchette 5 avec axe de séléction Mégane N4
Référence: 7711167446
€463.20Price
Redefine your gear changes with the 4HTECH Short Shifter for Renault Clio 3 RS . This high-precision system allows for a 30% reduction in throw , offering shorter, firmer, and significantly faster gear shifts for an ultra-dynamic driving experience. ...
€155.60Price
The SADEV 55-Tooth Crownwheel (reference F9001012 ) is an essential component of the 17/55 final drive ratio in your SADEV ST75 sequential gearbox . This genuine part is crucial for gearing and must pair perfectly with the corresponding 17-tooth secondary shaft. It is primarily used on the Renault Clio 2 X65...
€1,031.42Price
The Sadev F1903052 protection guard is an essential safety component for the reliability of the ST66 dog-ring gearbox in your Renault Clio 2 Gr N . It protects vital differential components against debris and external shocks, thus avoiding costly damage to the transmission . ...
€58.50Price
Joint Spy d'origine permettant l'etanchéité entre la boite et le cardan coté gauche
€23.35Price
Butée embrayage renforcée Helix Clio 16S et Williams
€36.00Price
Axe de selection Megane 3 RS et N4
Référence : 8200906279
€71.59Price
Disque d'embrayage Helix organique amorti Clio 16S et Williams
€194.78Price
Douille à aiguille carter mécanique Megane N4
Référence: 8200135215
€15.05Price
An Original RENAULT part , this quickshift control rod boot is essential for the longevity and precision of your gear selection system. It protects the rod joints against water, dust, and contaminants.
A manufacturer quality component indispensable for maintaining the **sharp gear change feel**...
€6.71Price
Do not compromise your safety on the track or during a rally stage with low-end components. This front wheel bearing , sourced from the official RENAULT Sport catalogue (Ref: 7711160524) , is the essential part to ensure the steering precision of your Clio R3 Max , Clio 4 Cup , and Clio 4 R3T . Designed to...
€98.40Price
The SADEV 54-Tooth Crownwheel (reference F1908252 ) is an essential element of the final drive in your SADEV ST75 sequential gearbox . Designed to be assembled with the 15-tooth secondary shaft, this genuine part ensures precise and reliable gearing for the Renault Clio 3 X85 Cup . OPTIMIZ ACCESS is a...
€1,031.42Price
Disque lisse autobloquant Megane N4 7711162223
A l'unité
€61.25Price
Vis Fixation Volant Moteur pour Megane 2 RS et Megane 3 RS
Vendue à l'unité
€6.89Price
The 4th Gear Wheel (26 Teeth) , reference F1903207 , for the 23/26 ratio, from SADEV , is an essential spare part for the ST66 sequential gearbox of your Renault Clio 2 Group N . This competition gear ensures maximum reliability and...
€204.64Price
The Renault Sport clutch master cylinder , reference 7711160250 , is a component of the hydraulic clutch system designed for the Renault Clio 3 RS , including Clio R3 and X85 Cup versions.
The clutch master cylinder converts the force applied to the clutch pedal into hydraulic pressure, allowing the clutch release system...
€114.83Price
- Pack
Do not take any risk of oil leak on the gearbox of your Clio 3 RS or Megane 3 RS ! This main shaft oil seal is a genuine Renault part. It ensures perfect sealing behind the clutch release bearing, preventing gear oil from escaping and, worse,...
€20.08Price
2nd Gear Wheel 26 Teeth (Ratio 15/26) SADEV ST66 (F1903009)
Optimize your 2nd gear ratio on your SADEV ST66 gearbox with this genuine Renault Sport 2nd gear wheel with 26 teeth. Designed for the Clio Gr N, it ensures optimal performance and precise gear changes. Essential for maintaining your transmission's performance.
€217.46Price
The Clio R3 transmission retaining ring (ref. 7711160756 ) is a performance part from the RENAULT SPORT catalog, essential for securing the transmission of your Renault Clio R3 Max and Renault Clio R3 Access . It ensures reliable and precise retention, crucial for competition. We ship worldwide.
€5.23Price
Genuine Renault Gearbox/Engine Fixing Stud (78mm) - Clio 2 RS, Clio 2 Gr N, Clio 3 RS
Authentic Renault fixing stud, 78mm length.
Ensures a solid and precise connection between the gearbox and the engine.
Specifically designed for Renault Clio 2 RS, Clio 2 Gr N, and Clio 3 RS models.
You can also find the...
€4.91Price
Roulement arbre primaire carter embrayage Megane 3 RS
€53.66Price
1st Gear 29 Teeth Wheel (12/29) SADEV ST66 (F1903010)
Optimize the gearing of your SADEV ST66 gearbox with this genuine Renault Sport 1st gear 29 teeth wheel, manufactured by SADEV. Designed for the Renault Clio 2 Gr N, it ensures a precise transmission ratio and optimal performance. Essential for competition.
€217.49Price
Conduite hydraulique embrayage coté recepteur Twingo RS R1 et R2
Véritable produit d'origine
€63.55Price
Gearbox Reverse Gear Unlock Cable Renault Sport Clio 3 X85 Cup SADEV ST75 (Ref: 7711160360)
Ensure the reliable operation of the reverse gear mechanism of your Renault Clio 3 X85 Cup equipped with the SADEV ST75 sequential gearbox with this genuine Renault Sport reverse gear unlock cable (Ref: 7711160360 ). A...
€195.66Price
Tuyau hydraulique embrayage coté recepteur Twingo RS R1 et R2
Véritable produit d'origine
€46.86Price