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Our entire team at Gerry’s are all experienced anglers and can help you choose the correct tackle for any fishing situation. Please drop us a message or give us a call if you need any help.
You can return unused standard items within 30 days for exchange or refund.
We check our prices weekly to ensure we can combine our fabulous service with the best prices. If you find an item cheaper and in stock somewhere else, drop us a a message in the chat box and we can see what we can do.
This item is available for next day delivery. You can pick this in the checkout.
We offer free post to any mainland UK address with a basket of more than £80. We also send all over the world and the best way to find out how much postage you will pay is in our checkout. Add the items to your basket and then add your address. Our checkout will automatically calculate your total.
We have come from a tiny fishing store and grown into one of the biggest fishing tackle retailers in the UK winning countless awards over the years. We are still a family business offer fabulous service online and in-store.
Spread the cost of larger orders over 6 or 12 month 0% APR. We also offer longer terms with APR charges via V12 finance. Available in the checkout.
You can make your next purchase a little easier on the wallet by splitting the total into 3 payments by using Klarna payments in the checkout.
“Need advice on tackle? Ask Bob”
Powered by a deep library of angling knowledge, the experience of thousands of anglers & indepth technical product specs. Available 24/7. Just Ask.
Preston Innovations’ InterChange System (ICS) completely transformed how match and coarse anglers adapt to shifting conditions. But while inline setups are devastatingly effective for creating self-hooking bolt rigs, there are days when the fish demand a traditional, free-flowing, or hanging-paternoster presentation. The Preston Innovations ICS Swivel Stem Kit provides the ultimate mechanical solution, instantly converting any inline ICS product into a conventional, hanging-boom style setup—all while preserving the quick-change modular freedom that makes the ICS ecosystem legendary.
A Quick Note from the Team at Gerry’s: If you’ve spotted the description floating around online mentioning a “70cm” long version, unless you’re planning to attach a three-foot-long radio antenna to your feeder, rest assured that’s just a classic print typo! The long version is a perfectly balanced 70mm (7cm), giving you the ideal stand-off length on the bank.
| Feature | Details |
| Brand | Preston Innovations |
| Product Type | Quick-Change Swivel Conversion Stems |
| System Compatibility | 100% Preston ICS (InterChange System) Approved |
| Size/Length Options | Short: 35mm | Long: 70mm |
| Material Construction | High-Impact, Low-Profile Engineering Polymer |
| Swivel Component | Heavy-Duty Stainless Steel Barrel Swivel |
| Rig Application | Conventional Paternoster, Running Rig, and Hanging-Boom Setups |
| Ideal Product Pairings | ICS Cage Feeders, Inline Match Cubes, and Inline Maggot Feeders |
| Pack Quantity | 2 Swivel Stems per retail packet |
Instant Inline-to-Conventional Conversion: Designed to slide natively into the central tracking slot of any existing Preston ICS feeder or lead weight. It instantly transforms a standard inline configuration into a hanging boom setup without requiring you to disassemble your entire mainline rig.
Heavy-Duty Integrated Barrel Swivel: Built with a premium, smooth-rotating marine-grade stainless steel swivel molded securely into the nose of the stem. This ensures frictionless 360-degree rotation under load, completely eliminating line twist during rapid retrieves or when winching empty feeders back from distance.
Shatter-Proof Polymer Architecture: Forged from an advanced, resilient plastic matrix engineered to easily withstand the high-impact shock of heavy water entries, as well as the aggressive compression forces experienced when loading packed cage or maggot feeders.
Total InterChange System (ICS) Cross-Compatibility: Requires zero tools or rig adjustments. Simply slip your inline feeder body off its current stem and slide it directly onto the Swivel Stem to completely alter your presentation in under three seconds.
Natural Venue Skimmer & Bream Matches: The ultimate arena for the Long 70mm stem. When targeting cautious wild fish on deep reservoirs, canals, or rowing courses, a hanging-boom setup prevents fish from feeling the immediate static inertia of an inline feeder, prompting bolder, more confident bites.
Fast-Flowing River Feeder Sessions: Highly effective when paired with an ICS In-Line Cage Feeder or Maggot Feeder on moving waters. The swivel stem allows the feeder to hang naturally in the current, keeping your line tracking cleanly above bottom debris and dramatically reducing bottom snagging.
Cooler Months with Cautious Bites: Perfect for winter or early spring sessions when fish are incredibly sluggish. Converting an ICS In-Line Match Cube into a free-running bomb setup with this swivel stem ensures that the absolute lightest pick-ups register instantly on your fine quivertip.
The Preston Innovations ICS Swivel Stem Kit is an ingenious piece of modular engineering that completely multiplies your existing tackle inventory. Instead of carrying twice as many feeders to cover both inline and conventional setups, a couple of packs of these conversion stems give you total tactical flexibility. It cuts down on luggage weight, saves you serious money, and lets you react to a changing venue dynamic with lightning speed. It is a mandatory addition to any modern match box.
Gerry’s Pro Tip: To tie an absolutely flawless, anti-tangle running rig using the Long 70mm Swivel Stem, always pair it with a twizzled loop or a braided boom on your mainline. Thread your mainline through a high-quality buffer bead, attach it to the swivel eye of the conversion stem, and leave a 4-to-6 inch “twizzled” line section just above your hooklength connector. The rigid 70mm polymer stem acts as a fantastic mechanical stand-off arm, keeping your heavy feeder pushed well clear of your supple hooklink during the cast, entirely eliminating messy mid-air wrap-arounds!
No. The ICM (InterChange Micro) range is scaled down to high-finesse proportions and features a significantly finer internal tracking bore. These standard ICS Swivel Stems are designed exclusively to fit standard-sized Preston ICS products, including standard Method, Banjo XR, Pellet, Cage feeders, and Match Cubes.
The Short 35mm stem is highly favored when you want a highly compact, low-profile conventional rig that keeps the feeder relatively close to the mainline, maximizing standard bite registration speeds. The Long 70mm stem is the ultimate tool when fishing in weedy or silty conditions, as the extra length acts as an extended stand-off boom that prevents your hooklength from getting dragged down into the muck with the feeder.
Yes, absolutely. Because the feeder body simply slides onto the ICS Swivel Stem via friction fitment, it forms a completely safe configuration. If a mainline snap-off should occur, the weighted feeder body can easily slide off the stem channel, allowing the fish to swim free without towing a heavy weight, fully satisfying modern fishery welfare standards.
“Need advice on tackle? Ask Bob”
Powered by a deep library of angling knowledge, the experience of thousands of anglers & indepth technical product specs. Available 24/7. Just Ask.
Our entire team at Gerry’s are all experienced anglers and can help you choose the correct tackle for any fishing situation. Please drop us a message or give us a call if you need any help.
You can return unused standard items within 30 days for exchange or refund.
We check our prices weekly to ensure we can combine our fabulous service with the best prices. If you find an item cheaper and in stock somewhere else, drop us a a message in the chat box and we can see what we can do.
This item is available for next day delivery. You can pick this in the checkout.
We offer free post to any mainland UK address with a basket of more than £80. We also send all over the world and the best way to find out how much postage you will pay is in our checkout. Add the items to your basket and then add your address. Our checkout will automatically calculate your total.
We have come from a tiny fishing store and grown into one of the biggest fishing tackle retailers in the UK winning countless awards over the years. We are still a family business offer fabulous service online and in-store.
Spread the cost of larger orders over 6 or 12 month 0% APR. We also offer longer terms with APR charges via V12 finance. Available in the checkout.
You can make your next purchase a little easier on the wallet by splitting the total into 3 payments by using Klarna payments in the checkout.




Penn Chest Size Guide
Small (36″-37″)
Medium (38″-40″)
Large (42″-44″)
XLarge (46″-48″)
XXLarge (50″-52″)
Wader Waist Guide
Small (28″-30″)
Medium (30″-33″)
Large (34″-37″)
XLarge (37″-39″)
XXLarge (39″-42″)
3XLarge (42″-45″)
Kinetic/Westin Chest Size Guide
Small (36″-37″)
Medium (38″-40″)
Large (42″-44″)
XLarge (46″-48″)
XXLarge (50″-52″)
3XLarge (54″-56″)
Grundens Chest Size Guide
Small (36″-37″)
Medium (38″-40″)
Large (42″-44″)
XLarge (46″-48″)
XXLarge (50″-52″)
3XLarge (54″-56″)
Vass Chest Size Guide
Small (36″-38″)
Medium (38″-41″)
Large (42″-44″)
XLarge (45″-46″)
XXLarge (47″-48″)
3XLarge (49″-51″)
Trakker Chest Size Guide
Small (38-40″)
Medium (41-43″)
Large (44-46″)
Xlarge (47-49″)
XXLarge (50-52″)
XXXLarge (53-55″)
Korda Chest Size Guide
Small (36″-38″)
Medium (38″-41″)
Large (42″-44″)
XLarge (45″-46″)
XXLarge (47″-48″)
3XLarge (49″-51″)
Guy Cotten Chest Size Guide
Small (86 – 94cm)
Medium (94 – 102cm)
Large (102 – 110cm)
XLarge (110 – 124cm)
XXLarge (124 – 134cm)
3XLarge (134 – 154cm)
Fox Chest Size Guide
Small (36″-38″)
Medium (39″-41″)
Large (42″-44″)
XLarge (45″-47″)
XXLarge (48″-50″)
3XLarge (51″-54″)
4XLarge (55″-60″)
Nash Chest Size Guide
Small (36″-38″)
Medium (39″-41″)
Large (42″-44″)
XLarge (45″-47″)
XXLarge (48″-50″)
3XLarge (51″-54″)
4XLarge (55″-60″)
Aqua Chest Size Guide
Small (38-40″)
Medium (41-43″)
Large (44-46″)
Xlarge (47-49″)
XXLarge (50-52″)
XXXLarge (53-55″)
Guru Chest Size Guide
Small (36″-38″)
Medium (38″-41″)
Large (42″-44″)
XLarge (45″-46″)
XXLarge (47″-48″)
3XLarge (49″-51″)
Preston Chest Innovations Size Guide
Small (36″-38″)
Medium (38″-41″)
Large (42″-44″)
XLarge (45″-46″)
XXLarge (47″-48″)
3XLarge (49″-51″)
Trouser Waist Guide (Inches)
Small – 28″ – 32″
Medium 32″ – 34″
Large – 34″ – 36″
X-Large 36″ – 38″
XX-Large – 38″ – 42″
XXX-Large 42″ – 46″
XXXX-Large 46″ – 52″