Aprilia RSV4 1100 Factory STM Slipper Clutch (19-24)
STM slipper clutches are designed for riders looking for a high quality and sophisticated clutch system for road and track use. Designed as a direct replacement to OEM parts, you can install them like for like with no modification.
The unique design utilises a primary and a secondary spring which allows the rider to specify how much drive grip and clutch slip they require, independently, when on and off the throttle. Of course the STM clutches are pre-supplied with a great pairing of springs, but for riders looking for a particular feel - anything is possible. Primary and secondary springs are available in our store in various kg/mm ratings.
STM are technical partners to HRC, Ducati, PTR Triumph, KTM and TM Racing. These technical partnerships allow the manufacturer to channel R&D into real world enhancements and improvements, which improve lap times.
We have a vast range of STM Clutch in the UK so you can be sure to find the ones you need!
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If you have a problem, or are unhappy with your purchase, then we will put the matter right. You can return any item within 14 days and we will gladly replace the item or offer a full refund for it. All we ask is that you notify us of the fault within 7 days and send the items back unused in their original condition with all the original packaging. If we have made a mistake, we'll also refund the delivery charges. For your protection, where you are returning an item to us, we recommend that you use a recorded-delivery service. Please note that you will be responsible for the costs of returning the goods to us unless we delivered the item to you in error or the item is faulty.
Who do we use to deliver your order?
Our back office systems are fully integrated with Royal Mail, FedEx and DHL which means that the second your parcel is dispatched you will be sent an email containing your tracking details, we also aim to incorporate your mobile number within the booking process to allow the courier to send you a text message. This allows both you and us to track your parcel's every move from our door to yours!
Small items and orders such as fork spares are usually sent via Royal Mail whereas shock absorbers and forks will be sent via FedEx or DHL, all of whom make daily collections from our premises.
All our delivery costs are calculated on total weight, this includes the weight of both the products and the packaging.
Points to note
- We aim to deliver your order next day if ordered by 3pm if you use our express services
- All returns must be sent back to us at our contact address at your own cost and risk
- All delivery timescales are subject to stock availability
- Small items may be delivered by post.
- The contents of your order and your delivery postcode may determine which delivery services you will be provided
- Please note that we are unable to deliver to PO Boxes on any of our delivery services
About STM
STM was founded in Italy in 1981 and they started producing motorcycle components in the 1990s, with their first slipper clutches developed and tested with the Ducati World Superbike team, leading to two WSBK championship victories.
Today STM has a broad range of clutches for many motorcycles, which are constantly being tested and improved upon with the help of top teams. All of their products are manufactured using state-of-the-art CNC machinery from high quality materials such as ergal, resulting a clutch that is much lighter than OEM, with a next-level standard of finish and craftsmanship.
STM slipper clutch technology is designed to avoid the dangerous tyre hopping effect caused by engine braking during deceleration. The slipper only operates during the braking phase and ensures that the rear wheel always has traction.
