The facts.
DescriptionThe whole story▼
A Street Cup tends to belong to someone who cares about the throttle: clip-ons, a small fairing, and a habit of chasing a crisper answer from the engine. Before money changes hands, size the prize. A filter cannot make an engine breathe more freely than no filter at all; the most it can ever return is the restriction it caused itself. On a standard road machine with a sound element that is a small figure, and a medium rated at three times the air flow hands back the same small figure — not three times it. The Sprint Filter P08 F1-85 is that high-flow medium, at 15,000 l/m²/sec against the 5,050 of the standard P08.
Key Features
- The highest-flowing woven medium in the range: 15,000 l/m²/sec, patented weave
- Not a step back from the 80 µm standard P08 — the 85 is a name rather than a pore size, and retention is not what pays for the flow
- About twice the filtering surface that other performance filters reach
- Dry racing polyester, never oiled, with nothing that can travel onto sensors or throttle bodies
- Drops into the standard airbox: nothing modified, nothing repositioned, nothing remapped
- Washable and reusable, with two years of warranty from purchase
The ceiling on what a filter can return
An intake tract is a series of costs paid in pressure: the duct, the box, the throttle bodies, the ports, the valves, with the element as one line on it. A freer element removes part of that line and leaves the rest where they were. That is why the honest claim for a drop-in filter is never more power. It is a low restriction that stays low across the service interval instead of drifting upwards as a cellulose element loads — and both Sprint Filter media clear that bar on a standard engine.
Where the response you are after actually lives
The transient a café-racer rider chases, that fraction of a second between opening the throttle and the engine answering, is set mostly by things standing ahead of the filter in the queue: fuelling, gearing, chain adjustment, tyre pressures and whether the element fitted now is clean. Work through those and the intake stops being the suspect. If the filter is genuinely due, the P08 at 80 µm and 5,050 l/m²/sec is the medium for road and track; on dusty back roads the P14 at 14 µm and 1,800 l/m²/sec goes further the other way. The F1-85 weave, which gives up no filtration for its flow, belongs where an engine has been built to use it — on the circuit, where Sprint Filter names it the most widely used filter in MotoGP and WorldSBK.
Care and cleaning
Compressed air, held to the clean side and directed outwards, sends what the element caught back out the way it came. Anything left after that is a wash: water, a mild detergent, and rinsing until the water runs clear. Give the PM174S F1-85 open air until it is completely dry — no heat, no flame — and refit it dry, with no oil applied at any point. The maintenance sheet is in the Downloads tab.
Fitment & Compatibility
Made for the Triumph Street Cup, 2017–2026. The same element covers five machines built around this airbox — the Bonneville T100 and T120, the Street Cup, the Street Scrambler and the Street Twin. The full list with model years is in the Fitment tab.
DownloadsOwner's manual · brochure▼
FitmentWhich bikes this fits▼
- Triumph Bonneville T100 (2017–2021)
- Triumph Bonneville T120 (2017–2026)
- Triumph Street Cup (2017–2026)
- Triumph Street Scrambler (2016–2026)
- Triumph Street Twin (2016–2026)
Questions, one topic at a time.
Get the real shipping cost for this item to your address — the same rates as checkout.
Choose a destination and hit Estimate — we fetch the live rates for this item.
We’re based in Germany. Standard delivery goes by DHL and national postal services and takes about 2–5 days within Germany, 1–2 weeks within the EU and 2–6 weeks outside the EU. Need it sooner? Express delivery reaches most of the world within a few days — just choose it at checkout where available.
Your exact shipping cost is calculated by destination and weight and shown at checkout before you pay — no hidden fees. Express delivery is selectable at checkout where available.
Yes, we ship to over 130 countries. Prices, taxes and delivery times for your destination are calculated automatically at checkout.
Within the EU, no — our prices already include all duties and EU VAT. For deliveries outside the EU (e.g. Switzerland, the UK or the USA), your order may be subject to import duties and taxes set by your country. These are collected by the carrier when your parcel arrives, aren’t included in our prices, and are outside our control.
As soon as your parcel ships we email you a tracking link, so you can follow it all the way to your door.
On out-of-stock items you can request a delivery time or leave your email to be notified the moment it returns — just use the notification box on the product.
You have the right to cancel within 14 days of receiving your order. Register your return by email first; once it’s approved you have a further 14 days to send the goods back. Items should be unused and in their original packaging.
Register your return by email with your order number before sending anything back, and we’ll send you the return instructions. Please note: returns that aren’t registered in advance can’t be accepted.
The quickest way is to place a new order for the size you need and register a return for the original by email — just let us know it’s an exchange.
We’re sorry — that shouldn’t happen. Contact us with your order number and a photo as soon as you can, and we’ll arrange a replacement or refund right away. Faulty goods are always covered by your statutory warranty.
Refunds go back to your original payment method, usually within 3–5 working days of your return reaching our warehouse.
PayPal, all major credit and debit cards (Visa, Mastercard, American Express), Klarna (pay later and instalments), Apple Pay, Google Pay and more — all processed securely via PayPal and Mollie.
Yes. Choose Klarna at checkout to split your purchase into flexible monthly installments.
Your payment is taken when you place your order. If you choose Klarna, you pay later according to Klarna’s terms.
Every payment runs over an SSL-encrypted connection through certified providers. We never see or store your full card details.
If your order hasn’t shipped yet, contact us as soon as possible and we’ll do our best to change or cancel it.
No — you can check out as a guest. An account simply lets you track orders and reorder faster.
For customers in the EU, prices are shown including your country’s local VAT. For customers outside the EU, prices are shown without VAT — instead, your country’s import taxes and duties may apply on delivery (see the customs question).
Yes. Your invoice is attached to your order confirmation email and is also available in your account.
Yes. We’re an authorised dealer, so every product is 100% original and comes with the full manufacturer warranty.
Yes. Everything we sell is genuine and comes with the manufacturer’s warranty, on top of your statutory rights. Keep your invoice as proof of purchase and contact us if you ever need to make a claim — we’ll help you through it.
Our team is happy to help. Use the contact button below and we’ll personally help you choose the right gear or part.
Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
Yes — it’s tested and approved to the current ECE 22.06 standard and road-legal across the EU.
Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
Yes — the cheek pads are channelled so the arms of your glasses slide in comfortably.
Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
Our team will personally help you choose the right gear or part — around 24h for a reply.