{"product_id":"omnium-mini-3-1-frame-kit","title":"Omnium Mini 3.1 Frame Kit","description":"\u003cp class=\"has-text-align-left\"\u003eV3.1 brings the biggest update to the Mini yet. The frame now uses the same rack-mounting system as the Cargo and Mini-Max, opening the door for upgrades such as the tilting rack bracket. The rack itself has been redesigned with round tubing for a cleaner look, and for dynamo-light compatibility. With the new rack comes new webbing, using the v2 dual-axis design for the round-tube rack that also comes with the Nano.\u003c\/p\u003e\n\u003cp\u003eFor the update, we’re also introducing the V3.1 fork, which has already been added to the Cargo and Mini-Max models.\u003c\/p\u003e\n\u003cp class=\"has-text-align-left\"\u003eThe biggest change is the replacement of the XS with a Step Through (ST) version, to allow for a bigger audience to be able to fit the Mini and make the bike easier to use for anyone wanting to run rear-mounted child seats.\u003c\/p\u003e\n\u003cp class=\"has-text-align-left\"\u003e \u003c\/p\u003e\n\u003cp\u003eThe OMNIUM Mini is a fast, agile reimagining of the short john bike, built to handle surprisingly heavy loads. Its compact size makes it easy to manoeuvre and integrates simply with both smaller residences and multimodal transport.\u003c\/p\u003e\n\u003cp\u003eThe front rack is ideal for anything too bulky and uncomfortable to carry on your back. You can keep your belongings in sight and carry serious weight all day without the bike feeling overloaded.\u003c\/p\u003e\n\u003cp\u003eThe 29-inch rear wheel helps the Mini effortlessly keep pace over longer distances, giving it an edge over other short john designs. Full rear rack mounts let you attach a range of panniers or rack mounted child seats, ideal for urban commuters.\u003c\/p\u003e\n\u003cp\u003eUnlike many cargo bikes, the Mini rides like a regular bike. It feels quick, stable, safe and intuitive. Adapting to the Mini takes minutes and you quickly wonder how you managed without it.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"has-large-font-size\"\u003eDESIGN\u003c\/p\u003e\n\u003cp\u003eThe Mini is designed around a 55 mm (2.15 inch) tyres front and rear. Bigger tyres come with plenty of benefits, and these are the ones that matter most. High volume tyres run at lower pressure, which gives you a natural layer of cushioning between you and the road. The result is more comfort, more control, and an easier ride on rough surfaces like gravel, cobblestones, and battered city streets.\u003c\/p\u003e\n\u003cp\u003eWe have also updated the frame with the new v3.1 segmented fork that still comes with thru axles. Thru axles first appeared on downhill mountain bikes in the late 90s, and these days they are the standard on most disc brake bikes. They make perfect sense on a cargo bike. This setup increases stiffness, improves braking performance, handles heavy loads more securely, and reduces the chance of incorrect installation or brake rub.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/omniumcargo.com\/wp-content\/uploads\/2025\/12\/2025_SizeGuide_MINI_V3-1.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable class=\"has-fixed-layout\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble Butted Chromoly Steel Frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSizes\u003c\/td\u003e\n\u003ctd\u003eST (Step Through), S, M, L, XL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRack Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400x500mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeat post diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e31,6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeat post clamp size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e34mm (ST 34,9mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFork Brake Mount\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIS – Disc only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRear Brake Mount\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDependent on insert choice – Disc only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFront Wheel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e406, 15x100mm spacing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRear Wheel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTA Insert: 622, 12 x 142mm spacing, disc only\u003cbr\u003eQR Insert: 622, 10 x 135mm spacing, disc only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTyre Clearance Front\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55mm with mudguards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTyre Clearance Rear\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55mm with mudguards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThru Axle Front\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15×100, 125mm long, 17mm thread length, 1.5mm pitch \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThru Axle Rear\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12×142, 172mm long, 19mm thread length, 1.75mm pitch \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadset\u003c\/td\u003e\n\u003ctd\u003e1 1\/8” Ahead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBottom Bracket\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e68mm BSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGears\u003c\/td\u003e\n\u003ctd\u003eFor 1x rear derailleur gear, single speed or internal hub gears\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRack Bolt\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM15 x 15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRack Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTBU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame Kit Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTBU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Loading Weight on Front Rack\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Total Loading Weight Incl. 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