Effetto Mariposa Shelter Wheel Kit

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Shelter Wheel Kit is made of 35 washers that fit snugly over the valve stem, gluing at its base, with an elegant and almost invisible silencing effect. It's also great to balance wheels, with an additional vibration-reducing action.

eliminates valve noises, especially on high-profile rims
Shelter washers can be used to finely balance wheels
visco-elastic behaviour reduced vibrations

Characteristics:

How to silence valves: Shelter Wheel Kit is made of 35 washers that fit snugly over the valve stem, gluing at its base. With minimum bulk and weight, they provide an elegant and almost invisible silencing effect, cancelling unwanted valve movements and vibrations. The re-sealable bag makes sure unused washers retain their properties, when needed for successive applications. Once Shelter washers are applied on the rim, it’s possible to remove the valve an re-insert it without loosing the silencing effect. This is just one application of our Shelter Wheel Kit, but there’s more.

Nobody would drive a fast car whose wheels haven’t been carefully balanced after mounting tyres on. Current high performance bicycle wheels, with fancy ceramic bearings, lightweight carbon rims, cannot deliver their full potential if not properly balanced. It’s an easy task that only requires a Shelter Wheel Kit, a wheel truing stand (or a bicycle turned upside down..), patience and some minutes per wheel.

How to balance wheels: Mount the tyre (and eventually disk) on the wheel, so that the wheel is in its rideable form.

IMPORTANT: if balancing a tubeless wheel, make sure there’s very little or no liquid sealant inside (that can be added later). Liquid sealant spreads while riding without creating wheel unbalance, but it will interfere with static balancing. Place the wheel on a truing stand and make sure it can rotate freely.

With a gentle push, make the wheel spin. After a few complete rotations in the direction of the push, the wheel will enter a pendulum phase where it makes partial rotations, back and forth. Behaving like a pendulum, the excess of weight on the wheel is subject to a restoring force (due to gravity) that accelerates it toward the equilibrium position. Amplitude of swings will reduce until the wheel stops: the lowest point is where the excess weight is. PLEASE NOTE: often wheels stop with the valve at the lowest point… but sometimes uneven weight distribution on the tyre or less-than-accurate carbon fiber lay up overcompensate that, and the lowest point is not corresponding to the valve.
Keeping the lowest point of the wheel as reference, identify the opposite point on the rim (you can find it using a ruler, aligned with the lowest point and the wheel axle) and adhere a Shelter washer there.
Repeat the process from #1. Each time the heaviest point may move slightly (because of friction in the hub), but it will normally remain within a +-10 cm (4 inches) range.

The wheel is balanced when, upon making it turn, IT WILL STOP WITHOUT ENTERING THE PENDULUM PHASE (it won’t change its rotation sense). With each subsequent spin, the lowest point when the wheel stops is a random point on the circumference, changing every time and depending on bearing friction. Washers can be adhered one on top of the other, or side by side, on top of the rim or on its side (depending on rim profile/size).

A good trick, although not always possible, is finding a spoke that’s close to the lightest point of the wheel and cutting the washer on one side, so that the washer can be put around the spoke. Each Shelter washer weights around 1 g. Typical wheel unbalance ranges from 4 to 12 grams.

Visco-elasticity reduces vibrations: The transmission of vibrational energy through any structure can be reduced by introducing visco-elastic materials at discrete points. It’s exactly what Shelter does, contributing to reduce vibrations on very stiff wheels. That’s an added bonus when balancing a wheel with Shelter washers.

Made in Italy.

EFFETTO MARIPOSA

Effetto Mariposa delivers premium bike maintenance products and tools, trusted by cyclists who demand precision and reliability. Known for their Caffélatex tubeless tyre sealant, torque wrenches, chain lubrication, and protective film kits, Effetto Mariposa combines Swiss engineering with Italian cycling passion. Whether you're racing, training, or commuting, their products ensure your bike runs at peak performance. Get top-quality sealants and maintenance gear from Effetto Mariposa at Hyper Ride with fast and reliable delivery.

Aucklander's Same Day Delivery + NEW 2-3hour Service $24.99 details in the check out!

Live in Auckland? Get your order today with our Urgent Tonight Service.
Cost: $19.99 (Excludes Surfboards. Surfboards go in a Van and are charged at a different rate, once you build your order price will show in check out).
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General Shipping Information

Please note that we do not deliver to PO boxes, Great Barrier Island, or the Chatham Islands.

Street Clothing and Footwear

Cost: $9.99
Delivery: 1-3 working days within New Zealand, plus 1-3 extra days for rural areas.

Standard Nationwide

Cost: $14.99
Delivery: 2-3 working days within New Zealand, plus 1-3 extra days for rural areas.
Exceptions: Surfboards, Soft Top Surfboards, Wakeboards, Waterskis, SUPs, and Bikes.

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Medium: $19.99 per item (Bodyboards, Board Bags, Longboard Skateboards, Moto Boots, and Moto Helmets).
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Cost: $19.99 (Excludes Surfboards)
Delivery: Orders placed between 8am-2.30pm will be delivered between 6pm-9pm on the same day.
Area Coverage: Auckland Metro area, check your eligibility here.
Availability: Monday to Friday.

Bulky Items (Surfboards, Roof Boxes, Large Bike Racks)

Delivery Time: Up to 10 days based on location within New Zealand.
Cost: Auckland $29, Rest of the North Island $69, South Island $99.
Note: Surfboards, Roof Boxes, and Large Bike Racks require special transport arrangements.

Rural Delivery Surcharge

Surcharge: $9.99 for any rural delivery.
Note: We recommend delivery to a non-rural town or workplace to avoid this surcharge.

Waiheke Island Delivery Surcharge

Surcharge: $30 due to high courier surcharges.
Recommendation: Consider delivering to a friend in Auckland City who can bring it out.

Additional Information

Rural Delivery Information: Please be aware that delivery times for rural areas may vary based on the frequency of service in your specific location. Rural couriers may visit some areas once a week. To ensure accurate delivery information for your rural address, we recommend contacting your local rural courier service.
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Tracking: Email us at ridesupport@hyper.co.nz for your tracking number.
Contact Us: Phone Support: 0800 855 788, Email: ridesupport@hyper.co.nz

Freight Companies

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Australia

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Please note:

We do not ship surfboards or stand-up paddleboards to Australia.
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Australia Standard Nationwide

Cost: $29.99 + 2% import fee (may differ based on the item).
Delivery Time: 4–6 business days from the time of dispatch (please note this is an estimate).

Orders do not ship the same day. All Australian orders first come into our Auckland HQ warehouse, where they are collated and processed for export. This means dispatch can take up to 3 business days after your order is placed.

Multiple Items in an Order

If you order multiple items, they will all be collated at our Auckland HQ warehouse and shipped together. Your order will arrive to you in full.

Remote Areas

Delivery to rural and remote areas in Australia (WA, NT, Far North QLD, etc.) may take longer than the standard 4–6 business days.

Shipping Options

We currently offer standard shipping only. There are no express options available for Australia.

Shipping Schedule

Orders are dispatched Monday to Friday, 8 am – 5 pm (NZ time).
Daily cutoff time for processing is 3 pm (NZ time).
Orders placed after this time, on weekends, or public holidays will be processed the next business day.

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