My Cart
€0.00
Récepteur d'embrayage Megane 2 RS tous modèles y compris R26R Son changement est préconisé lors de tout changement d'embrayage et même désaccouplement moteur/boite.
€168.20Price
Pensez à sélectionner votre vehicule pour limiter les resultats de recherche
Our Services
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.
Subcategory
View Left Column
There are 313 products.
Grid
Grid-2
List
List-2
Catelog
Active filters
Optimize your racing transmission with the BJ100 Transmission Bell (23C Hub / 35 Spline Joint) specifically designed for the Clio Group N . This technical part, under reference 7711167493 , is the central element for ensuring power delivery to...
€324.79Price
Genuine Renault Sport Clio 3 X85 Cup Wheel Side CV Boot (Driveshaft Boot)
Don't let dust and debris damage your transmission! This genuine Renault Sport wheel side CV boot (ref. 7701473176) is essential for protecting the joint of your driveshaft on your Renault Clio 3 X85 Cup . Preserve the longevity of...
€86.59Price
Roulement d'arbre primaire (carter 5ème) Twingo RS et R1
€24.59Price
Roulement d'arbre secondaire (carter 5ème) Twingo RS et R1
et servant egalement en tant que
Roulement d'arbre primaire Clio 2 RS
€55.55Price
Embrayage Complet Origine Clio RS toutes motorisations
€282.54Price
Roulement d'arbre secondaire (côté embrayage)Twingo RS et R1
€55.55Price
Primary Shaft Bearing SADEV ST66 (0103034)
Ensure the optimal performance of your SADEV ST66 gearbox with this genuine Renault Sport primary shaft bearing. Designed for the Clio Gr N, it guarantees precise and reliable operation. Essential for maintaining your transmission's performance.
€77.23Price
Roulement de Différentiel pour boite à crabot Gr N Repère 5 sur l’éclate de la clio gr N
€58.80Price
Maintain the reliability of your clutch system with this genuine Renault hydraulic line specifically designed for the Renault Megane 3 RS . This complete assembly includes the high-pressure hose and its pressure accumulator cylinder , ensuring precise and consistent gearbox control, even...
€153.52Price
Collier (coté bol) de cardan coté roue Clio 2 RS
Produit d'origine
€2.50Price
Kit comprenant: - Les 2 roulements d'autobloquants - Les 2 roulements d'arbre primaire - Les 2 roulements d'arbre secondaire Ne comprend pas: - Les cages à Aiguilles
€293.65Price
Graisse de cardan coté roue Clio 2 RS
Produit d'origine
€9.90Price
Roulement avant Clio Gr N Véritable produit Renault Sport Référence: 6000072543
€75.46Price
- Pack
- Pack
Transmission droite Twingo R2
€1,262.70€1,578.37Regular price-20% offPrice
- Pack
- Pack
Transmission gauche Twingo R2
€1,316.82€1,755.76Regular price-25% offPrice
Roulement de Roue avant Twingo RS y compris R1 et R2
7711162816
€80.82Price
Original Renault Megane 3 RS Right Driveshaft
Original Renault right driveshaft, for optimal transmission of your Megane 3 RS. Discover the compatible gearbox output oil seal at the bottom of the page for perfect sealing.
€482.88Price
Circlips de roulement de roue avant Twingo RS R1 et R2
€1.58Price
Cardan gauche Megane 3 RS Véritable produit d'origine Renault
€482.88Price
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
Joint double lèvres sortie de cardan Twingo R2
Joint identique pour le coté gauche et droit
€21.77Price
Butée embrayage renforcée Helix Clio 16S et Williams
€36.00Price
Douille à aiguille carter mécanique Megane N4
Référence: 8200135215
€15.05Price
Disque d'embrayage Helix organique amorti Clio 16S et Williams
€194.78Price
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
Driveshaft Grease Renault Sport
Optimize the longevity and performance of your driveshafts with this high-performance Renault Sport grease. Designed for the Renault Megane N4 equipped with the Sadev gearbox, it ensures optimal lubrication and protection against wear. Essential for maximum reliability in competition.
€26.08Price
Soufflet de transmission coté boite Megane 3 N4
€26.38Price
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
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
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
Roulement arbre primaire carter embrayage Megane 3 RS
€53.66Price
Conduite hydraulique embrayage coté recepteur Twingo RS R1 et R2
Véritable produit d'origine
€63.55Price
Tuyau hydraulique embrayage coté recepteur Twingo RS R1 et R2
Véritable produit d'origine
€46.86Price
Do not risk transmission slippage during hard acceleration, premature wear of your friction disc, or a catastrophic mechanical failure during aggressive gear changes on track. The premium uprated clutch pressure plate mechanism for the Renault Clio 3 RS and X85 Cup delivers...
€228.74Price
The SADEV Left Side Output Flange (references F1908350 / 7711160348 ) is the gearbox output element that ensures the essential connection between the differential and the driveshaft (Lobro type) of your left-hand transmission. A vital part of the SADEV ST75 sequential gearbox , it is homologated for the...
€583.44Price
Roulement arbre primaire carter mécanique Megane 3 RS
€29.72Price
Hardware Overhaul Kit Gearbox SADEV ST90 Renault Sport Clio 3 R3 (Ref: 7711163607)
Ensure the preventive maintenance and reliability of your SADEV ST90 sequential gearbox in your Renault Clio 3 R3 with this genuine Renault Sport hardware overhaul kit (Ref: 7711163607 ). Including various seals, oil seals,...
€698.33Price