--- product_id: 105515338 title: "Black Shifter Kit Jackshaft Kit Fits Regular 415 Chain 66cc 80cc Gas 2 Stroke Motorized Bike Bicycle" brand: "sthus" price: "$111.46" currency: USD in_stock: false reviews_count: 8 url: https://www.desertcart.us/products/105515338-black-shifter-kit-jackshaft-kit-fits-regular-415-chain-66cc store_origin: US region: United States of America --- # Black Shifter Kit Jackshaft Kit Fits Regular 415 Chain 66cc 80cc Gas 2 Stroke Motorized Bike Bicycle **Brand:** sthus **Price:** $111.46 **Availability:** ❌ Out of Stock ## Quick Answers - **What is this?** Black Shifter Kit Jackshaft Kit Fits Regular 415 Chain 66cc 80cc Gas 2 Stroke Motorized Bike Bicycle by sthus - **How much does it cost?** $111.46 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/105515338-black-shifter-kit-jackshaft-kit-fits-regular-415-chain-66cc) ## Best For - sthus enthusiasts ## Why This Product - Trusted sthus brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description desertcart.com: sthus Black Shifter Kit Jackshaft Kit Fits Regular 415 Chain 66cc 80cc Gas 2 Stroke Motorized Bike Bicycle : Automotive Review: Not strong enough for its self - No directions made it hard to get together right, if at all. When/if you could get motor started it throws the chain bending mounts in kit causing to readjust over and over, the sprockets on pedals didn't clear pedal arm so modified, sprockets were to thick for chain so ground them down till they did, and once they are on the bike it's nearly or even is to get back off the bike without bending one. DO NOT BUY Review: DO NOT BELIEVE ALL THE BAD REVIEWS - i watched a lot of videos on how to put this together before i even purchased it. almost every video says the kits are junk, people cant seem to figure out how they go together or things just plain dont fit. upon reading most of the reviews for this kit i found the same thing. after purchasing i can tell you that its all b.s. everything went together perfectly, gears slid right over axle as did bearings. only problem i had is the crank doesnt work with my bike. that is my fault not the kits. i ordered the correct crank and am back in business. if you are on the fence, dont believe all the bad reviews. great kit, fits and works perfectly as should. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07KP69SCK | | Additional Features | Easy to Install | | Brand | sthus | | Brand Name | sthus | | Color | Black | | Customer Package Type | Standard Packaging | | Customer Reviews | 3.0 out of 5 stars 44 Reviews | | Exterior Finish | Aluminum | | Finish Type | Black | | Finish Types | Black | | Handle Material | Aluminum | | Item Weight | 10.1 pounds | | Manufacturer | sthus | | Manufacturer Part Number | WZMZ0019 | | Special Feature | Easy to Install | | Unit Count | 1 Count | ## Product Details - **Brand:** sthus - **Color:** Black - **Exterior Finish:** Aluminum - **Special Feature:** Easy to Install - **Item Weight:** 10.12 Pounds ## Images ![Black Shifter Kit Jackshaft Kit Fits Regular 415 Chain 66cc 80cc Gas 2 Stroke Motorized Bike Bicycle - Image 1](https://m.media-amazon.com/images/I/71O9vVWA40L.jpg) ![Black Shifter Kit Jackshaft Kit Fits Regular 415 Chain 66cc 80cc Gas 2 Stroke Motorized Bike Bicycle - Image 2](https://m.media-amazon.com/images/I/61IYS0lkpNL.jpg) ![Black Shifter Kit Jackshaft Kit Fits Regular 415 Chain 66cc 80cc Gas 2 Stroke Motorized Bike Bicycle - Image 3](https://m.media-amazon.com/images/I/71WZjpbenpL.jpg) ![Black Shifter Kit Jackshaft Kit Fits Regular 415 Chain 66cc 80cc Gas 2 Stroke Motorized Bike Bicycle - Image 4](https://m.media-amazon.com/images/I/717YX7sXwBL.jpg) ![Black Shifter Kit Jackshaft Kit Fits Regular 415 Chain 66cc 80cc Gas 2 Stroke Motorized Bike Bicycle - Image 5](https://m.media-amazon.com/images/I/613YFyYWdkL.jpg) ## Customer Reviews ### ⭐ Not strong enough for its self *by C***1 on June 23, 2022* No directions made it hard to get together right, if at all. When/if you could get motor started it throws the chain bending mounts in kit causing to readjust over and over, the sprockets on pedals didn't clear pedal arm so modified, sprockets were to thick for chain so ground them down till they did, and once they are on the bike it's nearly or even is to get back off the bike without bending one. DO NOT BUY ### ⭐⭐⭐⭐⭐ DO NOT BELIEVE ALL THE BAD REVIEWS *by B***. on November 21, 2021* i watched a lot of videos on how to put this together before i even purchased it. almost every video says the kits are junk, people cant seem to figure out how they go together or things just plain dont fit. upon reading most of the reviews for this kit i found the same thing. after purchasing i can tell you that its all b.s. everything went together perfectly, gears slid right over axle as did bearings. only problem i had is the crank doesnt work with my bike. that is my fault not the kits. i ordered the correct crank and am back in business. if you are on the fence, dont believe all the bad reviews. great kit, fits and works perfectly as should. ### ⭐⭐ Chain is garbage. Needs drilling. Nobody has done instructions. *by A***X on April 4, 2022* The shaft is made of butter. The 510 chain is stock so whatever. But the 1/2 x 1/8 chain has so much play in it, you could never keep it on the sprockets. The tensioner needs a bearing. Most of this kit will vibrate loose. The 9 washers spacing the plate will let you know when your time is near. Plus I had to drill out the holes on the backplate to allow my engine bolts thru. Took 3 months of tinkering! I build bikes in less than 5 hours.... --- ## 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.us/products/105515338-black-shifter-kit-jackshaft-kit-fits-regular-415-chain-66cc](https://www.desertcart.us/products/105515338-black-shifter-kit-jackshaft-kit-fits-regular-415-chain-66cc) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-29*