Adventure bike owners keep asking if they can seal spoked rims for tubeless tyres: what Michelin, Dunlop and Royal Enfield's own wheels say

It is one of the oldest recurring questions on English-language adventure riding forums. A rider buys a bike with spoked wheels, gets tired of breaking a bead by the roadside, and asks whether tape and sealant over the spoke nipples will let the bike run tubeless tyres. A site search of ADVrider throws up at least eight separate threads on sealing spoked rims, from DIY tape jobs to bought kits. Those pages would not open for us, so we are going by the search listings there and by forums and official pages that did open.

One that did open is a BMW GS owners' forum thread posted on 30 May 2022, which ran to 18 replies on the narrower version of the question. The experienced replies there split cleanly. Running a tubeless tyre with a tube inside it on a spoked rim was treated as routine. Sealing a spoked rim to run with no tube at all drew warnings, with one reply pointing out that a rim needs the right bead profile to hold a tyre safely without a tube. A suggestion involving cutting a tube wider was called unsafe at highway speeds.

What the tyre makers actually say

Michelin's own tyre advice page explains why a conventional spoked rim is tube type. The spokes pierce the rim in the centre around the circumference, and Michelin says those holes "imply a lack of sealing", so the rim needs an inner tube. It also notes that there are spoked rims where the spokes are fixed in other ways to keep the seal, and those rims are tubeless. Michelin separately advises against fitting a tube inside a tubeless tyre on an alloy rim, because a puncture can flatten the tyre suddenly.

Dunlop's FAQ page sets the same boundary from the other side. Dunlop tubeless tyres can be mounted on tube-type rims if the correct size tube is used, while tube-type tyres "cannot be mounted on tubeless rims". Neither maker offers a procedure for sealing a tube-type rim, and we found no manufacturer service bulletin that approves doing it.

The factory route, and what it costs in India

For Indian riders the question now has a catalogue answer. Royal Enfield's own accessories page lists Black Tubeless Spoked Wheels, part number KXA00453, for the Himalayan 450 at ₹39,350. The listing says the wheels use externally laced spokes to allow a tubeless setup, covers a 21-inch front and 17-inch rear assembly plus the sprocket carrier and cush drive, and keeps the original sprocket, discs, tyres and spindles. Tyres are sold separately.

Autocar India reported on 28 June 2025 that the accessory price for existing owners had moved from ₹12,424 at launch to ₹40,645, while buyers who add the cross-spoke wheels to a new bike on the configurator were still paying ₹11,000. The publication said it had asked Royal Enfield whether the configurator price would hold.

For reference on the alternatives, ADV Pulse's rundown of tubeless conversion options puts DIY sealing materials at roughly 20 to 50 dollars, a professional seal at roughly 150 dollars a wheel and a purpose-built tubeless wheel set at upwards of 1,550 dollars. It says only sealing and purpose-built wheels are DOT approved for street use, and that TUbliss, tyre balls and bib mousse are not.

What an owner can do

Read your rim and tyre markings first. A tyre sidewall and a rim will say TT or tubeless, and if the rim is tube type, the tyre maker's position is that it needs a tube. If you want tubeless on a Himalayan 450, Scram, Xpulse or a 390 Adventure with spoked wheels, ask the dealer whether a factory or OE-approved tubeless wheel exists for your bike before you pay a shop to seal the stock rim.

If you still go the sealing route, get the shop's warranty in writing, leak-test the wheel over 2 to 3 days before a long ride, and carry a tube, levers and a pump anyway. Ask the service advisor to record the fitment on the job card, because a sealed rim is an obvious point of dispute later. If a dealer refuses a warranty claim on a wheel or a tyre, escalate to the maker's customer care in writing, then to the National Consumer Helpline on 1915.

Himalayan 450 and GS owners in the club: has anyone here run a sealed spoked rim through a Ladakh season, and did it hold?

Sources

• Royal Enfield, Black Tubeless Spoked Wheels (KXA00453)
• Autocar India, Royal Enfield Himalayan 450's tubeless spoke wheel price hiked to Rs 40,645
• Michelin India, How to choose a motorcycle inner tube
• Dunlop, Frequently Asked Questions
• UKGSer forum thread, tubeless tyre on tube type rim
• ADV Pulse, Ditch The Tubes and Convert to Tubeless Spoked Wheels