--- product_id: 18276137 title: "Dr. Pulley 15x12 Sliding Roller Weights 4.5 Gram" brand: "dr. pulley" price: "AED 0" currency: AED in_stock: false reviews_count: 5 url: https://www.desertcart.ae/products/18276137-dr-pulley-15x12-sliding-roller-weights-4-5-gram store_origin: AE region: United Arab Emirates --- # Fits Minarelli & Yamaha scooters Precision 15x12mm size Optimizes gear ratio dynamically Dr. Pulley 15x12 Sliding Roller Weights 4.5 Gram **Brand:** dr. pulley **Price:** AED 0 **Availability:** ❌ Out of Stock ## Summary > ⚡ Unlock your scooter’s hidden speed potential with Dr. Pulley Sliding Roller Weights! ## Quick Answers - **What is this?** Dr. Pulley 15x12 Sliding Roller Weights 4.5 Gram by dr. pulley - **How much does it cost?** AED 0 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.ae](https://www.desertcart.ae/products/18276137-dr-pulley-15x12-sliding-roller-weights-4-5-gram) ## Best For - dr. pulley enthusiasts ## Why This Product - Trusted dr. pulley brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Lightweight Yet Durable:** Crafted from Black Pearl material for optimal balance and longevity. - • **Dynamic Gear Ratio Mastery:** Sliding roller design fine-tunes acceleration and top speed on the fly. - • **Customizable Weight Options:** Choose from multiple precise weights (4.5g to 10.5g) to tailor your ride’s responsiveness. - • **Universal Scooter Compatibility:** Seamlessly fits Minarelli 50cc 2-stroke and popular Yamaha models like Zuma & Vino. - • **Self-Adjusting Wear Compensation:** Automatically adapts to wear, maintaining peak performance without manual tweaks. ## Overview Dr. Pulley 15x12 Sliding Roller Weights are engineered for Minarelli 50cc 2-stroke engines and compatible Yamaha scooters, featuring a unique sliding mechanism that dynamically adjusts gear ratios and compensates for wear. Available in multiple precise weights and crafted from durable Black Pearl material, these weights enhance acceleration, top speed, and overall ride performance. ## Description DR PULLEY SLIDING ROLLER WEIGHTS means better performance from your scooter no matter what stage you are in upgrading your scooter. Simply add 9-12 gram weights and a Kevlar belt for a power upgrade. The larger weight size will add top end only when you are doing other upgrades to make up for loss of bottom or take off. The same is true for lighter weights, if you go too light you will need to make up for the loss on the top end.50cc scooters we have found do best with 10 or 11 gram weights, use 10 for over 200lbs 11 under 200lbsAdd the DR PULLEY variator to complete upgrade. Dr. Pulley Roller Weights are the latest roller weights to hit the market and the most advanced weights available. These sliding rollers perform up to 20% better than standard round weights and last up to 18% longer with 22% less performance material loss. The weights have several unique features such as their composite material being nylon for faster performance. * Made of unique tribological material SL-9T and SL-9TS (oilless PA46) * Low friction coefficient / Low wear / High temperature resistance * Aluminum compatible; No abrasive fibers (glass fiber or carbon fiber) * Fastest Roller Weights available Dr. Pulley ---- UNIQUE Sliding Roller Weights Traditionally, gear ratio is changed by the up-and-down rolling movement of the roller weights in the ramp of MDF; Now the innovative Dr. Pulley Sliding Roller Weights “slide” up and down in the ramp of MDF to change the gear ratio. This unique “sliding movement” provides exclusive advantages to make CVT perform excellently: No abnormal wear will occur, even when Dr. Pulley Sliding Roller Weights work in the high gear position. Review: They exceeded my expectations - I'm going to start by saying that I know nothing about upgrading and increasing scooter performance. I read about these roller weights and decided to purchase them because they were priced right and accessible. It is unbelievable the difference that he made. These went on a bone stock 2007 Yamaha C3 that topped off at 36 mph with the wind on your back. After installing these and removing the small washer the limits the movement of the belt the scooter gained at least six to seven miles an hour we're in now goes past them 40 mile an hour gauge mark. Review: Instant Improvement - Put these in my 2008 Yamaha C3, and it was a very easy installation all things considered and it's a noticable improvement, nothing crazy of course but definitely improves acceleration and top seed ## Features - Fastest Roller Weights available - Aluminum compatible; No abrasive fibers (glass fiber or carbon fiber) - Low friction coefficient / Low wear / High temperature resistance - Made of unique tribological material SL-9T and SL-9TS (oilless PA46) ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Dr. Pulley | | Brand | Dr. Pulley | | Item Weight | 0.798 ounces | | Package Dimensions | 3 x 2.9 x 1.1 inches | | Is Discontinued By Manufacturer | No | | Manufacturer Part Number | 169-216-4.5g | ## Images ![Dr. Pulley 15x12 Sliding Roller Weights 4.5 Gram - Image 1](https://m.media-amazon.com/images/I/31oR07eUuLL.jpg) ![Dr. Pulley 15x12 Sliding Roller Weights 4.5 Gram - Image 2](https://m.media-amazon.com/images/I/31Tg-4Hs0oL.jpg) ## Questions & Answers **Q: Which one for a 2003 yahama zuma 49cc?** A: These will work great or try the 5gram. ## Customer Reviews ### ⭐⭐⭐⭐⭐ They exceeded my expectations *by E***. on June 23, 2026* I'm going to start by saying that I know nothing about upgrading and increasing scooter performance. I read about these roller weights and decided to purchase them because they were priced right and accessible. It is unbelievable the difference that he made. These went on a bone stock 2007 Yamaha C3 that topped off at 36 mph with the wind on your back. After installing these and removing the small washer the limits the movement of the belt the scooter gained at least six to seven miles an hour we're in now goes past them 40 mile an hour gauge mark. ### ⭐⭐⭐⭐⭐ Instant Improvement *by J***. on June 2, 2024* Put these in my 2008 Yamaha C3, and it was a very easy installation all things considered and it's a noticable improvement, nothing crazy of course but definitely improves acceleration and top seed ### ⭐⭐⭐⭐⭐ Does the trick. *by R***5 on October 3, 2017* Work a lot better if you pay attention and put them in correctly the first time. They will go in a couple different ways. Helped my pickup off the line in Yamaha c3. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ae/products/18276137-dr-pulley-15x12-sliding-roller-weights-4-5-gram](https://www.desertcart.ae/products/18276137-dr-pulley-15x12-sliding-roller-weights-4-5-gram) --- *Product available on Desertcart United Arab Emirates* *Store origin: AE* *Last updated: 2026-09-28*