{"product_id":"central-ballast-crank","title":"Central Ballast - Crank Spindle System (Pre-Order)","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eCentral Ballast is a crank spindle system designed to place ballast directly at the centre of the bike.\u003c\/p\u003e\n\u003cp\u003eThe system has already been tested and used on track in race environments.\u003cbr\u003eThis page is for pre-orders of the next production batch.\u003c\/p\u003e\n\u003cp\u003eMore and more riders and teams are running ballast on DH bikes.\u003c\/p\u003e\n\u003cp\u003eMost of the time it’s taped weights, diving weights, or lead roofing sheet taped around the frame.\u003c\/p\u003e\n\u003cp\u003eIt does the job, but it’s far from ideal. Weights can come loose, rattle, or fall off.\u003cbr\u003eWhere the weight ends up isn’t controlled, and changing it between runs is slow and messy.\u003c\/p\u003e\n\u003cp\u003eCentral Ballast gives you a fixed, repeatable ballast position at the centre of the bike.\u003c\/p\u003e\n\u003cp\u003eThe system places the weight internally inside the crank spindle, exactly at the bottom bracket.\u003c\/p\u003e\n\u003cp\u003eIt’s fully secured once installed, with no risk of movement, and can be fitted or removed quickly between runs when testing different setups.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOn track\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003ePlacing ballast at the BB increases sprung mass relative to the wheels and centralises the weight of the bike.\u003c\/p\u003e\n\u003cp\u003eOn track this translates to:\u003c\/p\u003e\n\u003cp\u003e• improved stability in rough terrain\u003cbr\u003e• better suspension behaviour under load\u003cbr\u003e• increased momentum and speed carry through fast sections\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eThe Fixed version is a solid brass unit at approximately 420 g.\u003c\/p\u003e\n\u003cp\u003eIt’s a simple and robust solution for riders who want to add central ballast and ride.\u003c\/p\u003e\n\u003cp\u003eThe Tunable version uses a modular brass housing with interchangeable internal rods.\u003c\/p\u003e\n\u003cp\u003eA brass rod setup gives a total weight of approximately 420 g, while the tungsten carbide option increases this to around 575 g.\u003c\/p\u003e\n\u003cp\u003eThis allows quick changes in ballast between runs when testing different setups.\u003c\/p\u003e\n\u003cp\u003eDesigned for riders and teams actively testing different ballast configurations.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThis version is designed specifically for Shimano Saint DH cranksets.\u003c\/p\u003e\n\u003cp\u003eOther crank standards are being evaluated separately.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003ePre-order\u003c\/h3\u003e\n\u003cp\u003eOrders placed through this page are pre-orders for the next production batch.\u003c\/p\u003e\n\u003cp\u003eProduction starts once the minimum order quantity (MOQ) is reached.\u003c\/p\u003e\n\u003cp\u003eYou’ll be updated throughout, and lead times confirmed once the batch is triggered.\u003c\/p\u003e\n\u003cp\u003eIf MOQ isn’t met, all orders will be refunded.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003ePricing\u003c\/h3\u003e\n\u003cp\u003eFixed — £80 + VAT\u003cbr\u003eTunable (brass + tungsten rod) — £240 + VAT\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eDelivery\u003c\/h3\u003e\n\u003cp\u003eTwo delivery options are available. Please select the correct one at checkout.\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e\u003cstrong\u003eUCI World Cup DHI Events\u003c\/strong\u003e\u003cbr\u003eDelivered in person during the 2026 World Cup season.\u003cbr\u003eOrders will be handed over directly in the paddock.\u003cbr\u003eYou’ll be contacted to arrange the specific event and timing.\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e\u003cstrong\u003eShipping\u003c\/strong\u003e\u003cbr\u003eStandard shipping option available at checkout.\u003cbr\u003eOrders will be dispatched once production is completed.\u003c\/p\u003e\n\u003cp\u003eIf you’re unsure which option to select, get in touch before placing your order.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eUse\u003c\/h3\u003e\n\u003cp\u003eDesigned for downhill race use.\u003c\/p\u003e\n\u003cp\u003eIf you’re already running ballast on your DH bike, this is a cleaner and more controlled way to do it.\u003c\/p\u003e","brand":"G10 PRJCT","offers":[{"title":"Fixed unit ~420g","offer_id":56870639075659,"sku":null,"price":96.0,"currency_code":"GBP","in_stock":true},{"title":"Tuneable unit ~420g \/ ~575g","offer_id":56870117802315,"sku":null,"price":288.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/1837\/1659\/files\/G10PRJCT_Central_Ballast_Crank_System_Fixed_1.jpg?v=1777299175","url":"https:\/\/www.g10prjct.com\/products\/central-ballast-crank","provider":"G10 PRJCT","version":"1.0","type":"link"}