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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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Active filters
En Stock
€108.19
Price
En Stock
€108.19
Price
Collection soufflet de transmission gauche coté boite Clio 3 RS et Megane 2 RS
Véritable produit d'origine
€108.19Price
Sur commande ou en cours de réappro
€110.35
Price
Sur commande ou en cours de réappro
€110.35
Price
Do not let a simple tear immobilize your sports car or destroy your transmission. This right-hand inner driveshaft boot (gearbox side) is a genuine Renault (OEM) part , specifically designed to withstand the thermal and mechanical stresses of the Renault Clio 4 RS . Choosing manufacturer quality over aftermarket parts ensures a perfect seal...
€110.35Price
Palier transmission droite Twingo RS
livré sans le roulement
€62.33Price
Soufflet de cardan gauche coté boite Clio 4 RS
€100.99Price
Sur commande ou en cours de réappro
€80.83
Price
Sur commande ou en cours de réappro
€80.83
Price
Collection de soufflet de cardan gauche coté boite Clio 2 RS Phase 1
€80.83Price
Optimize your Renault Clio R3 's handling by replacing this essential SADEV Belleville washer for precise differential preload adjustment in your sequential gearbox . Don't let inaccurate preload compromise your competition vehicle's traction.
€94.62Price
Sur commande ou en cours de réappro
€1,119.42
Price
Sur commande ou en cours de réappro
€1,119.42
Price
Do you own a Renault Megane N4 and are seeking uncompromising performance? The original RENAULT Sport right driveshaft (cardan) reference 7711167654 is the essential part to maintain the efficiency and reliability of your competition vehicle. From the official RENAULT Sport catalog , and exclusively distributed by Optimiz Access, this part is...
€1,119.42Price
Sur commande ou en cours de réappro
€16.37
Price
Sur commande ou en cours de réappro
€16.37
Price
Output Shaft Oil Seal (Double Lip) SADEV ST75 (0100205044)
Ensure optimal sealing of your transmission with this genuine Renault Sport output shaft oil seal (double lip). Designed for the Clio 2 and 3 Cup equipped with the SADEV ST75 gearbox, it prevents oil leaks and maintains your transmission's performance. Essential for maximum reliability in...
€16.37Price
Arbre de transmission Gauche Clio R3T
Référence: 8201529994
€470.74Price
Arbre de transmission droit Clio R3T
Référence: 8201529997
€521.58Price
Sur commande ou en cours de réappro
€1,226.27
Price
Sur commande ou en cours de réappro
€1,226.27
Price
Complete Assembled Right Transmission SADEV for Renault Clio 2 CUP (Ref: 7711155142)
Original Renault Sport competition part, optimize the performance of your Clio 2 CUP equipped with the SADEV ST75 sequential gearbox. Discover other compatible transmission components and accessories at the bottom of the page.
€1,226.27Price
Sur commande ou en cours de réappro
€75.23
Price
Sur commande ou en cours de réappro
€75.23
Price
Collection soufflet transmission côté boite droit et gauche Megane N4
€75.23Price
Soufflet de tulipe ( entraineur ) Clio R3T
Référence: 8201366862
€13.66Price
Couple Court 11x47 Clio R3
Véritable produit Renault sport pour Boite Sadev
€3,421.76Price
Sur commande ou en cours de réappro
€84.01
Price
Sur commande ou en cours de réappro
€84.01
Price
Barreau (arbre de roue) Clio 2 Phase 2 Gr N
€485.27Price
- Pack
- Pack
Transmission Droite Clio 2 RS Gr N Phase 1
€1,749.33€2,058.04Regular price-15% offPrice
Sur commande ou en cours de réappro
€489.98
Price
Sur commande ou en cours de réappro
€489.98
Price
Optimize the power delivery of your racing machine with this high-performance right-hand driveshaft bar . Sourced from the official Renault Sport catalog, this part under reference F0035288 is specifically calibrated for the Renault Clio 2 RS Phase 1 Group N equipped with the famous...
€489.98Price
Transmission (Cardan) Droite Clio 3 RS Véritable produit d'origine
€354.14Price
Transmission gauche Clio 2 RS Ragnotti
Référence:8200214583
€224.71Price
Collection soufflet cardan coté roue Megane N4
€61.56Price
Tulipe Entraineur Gauche modifiée Twingo R2 Référence: 7711167553
€666.83Price
Transmission G - Ragnotti Clio Gr N Référence: 7711129607
€1,206.24Price
Sur commande ou en cours de réappro
€1,767.94
Price
Sur commande ou en cours de réappro
€1,767.94
Price
Couple 12X57 court - petites canelures Twingo R2
Référence: 7711162830
€1,767.94Price
The right-hand drive flange , reference 7711129609-F1903170 , is a drivetrain component designed for the Renault Clio Ragnotti Group N .
This component is part of the transmission system and contributes to transferring engine torque through the drivetrain to the wheel.
It is suitable for maintenance, repair and...
€903.91Price
- Pack
- Pack
Transmission gauche Twingo R2
€1,556.64€1,945.80Regular price-20% offPrice
Cardan gauche Clio 2 RS2 RS3
Cardan reconditionné sans consigne
€192.00Price