Bike Balls Tail Light, Light-Up Silicone Bike Nuts for Under the Seat, Red LED with 3 Modes, Funny Gag Gift for Cyclists and Bikers — Solis Glownuts
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About this item
- Novelty tail light: cheeky silicone balls that hang under your bike seat and glow red.
- Soft, flexible white silicone with a bright LED inside; the light shines red through it.
- Three modes: steady, slow flash and fast flash.
- Stretchy silicone strap loops around the seat rails or seat post in seconds, no tools.
- Fits bikes, e-bikes, scooters and most motorcycle seats.
- Batteries pre-installed, splash- and rain-resistant; comes in a gift box.
Products related to this item
Product description
Solis Glownuts is a bike balls tail light: a pair of soft white silicone novelty balls that hang under your seat and glow bright red. A stretchy silicone strap loops around the seat rails or the seat post in seconds, no tools needed, and it fits bikes, e-bikes, scooters and most motorcycle seats. Give it a tap and it lights up in one of three modes: steady, slow flash or fast flash. The batteries come pre-installed, so it works straight out of the box, and the silicone is splash- and rain-resistant for night rides. Funny, a little rude, and a real red light behind you.

Loops on in seconds, no tools
Wrap the stretchy silicone strap around the seat rails or the seat post and let the light hang below the saddle. Taking it off is just as quick.

A red glow in three modes
Tap it on and choose steady red, a slow flash or a fast flash. The LED shines through the soft white silicone, so the whole shape lights up.

The gag gift that stays on the bike
Made for the cyclist, biker or scooter rider who has everything: it gets the laugh at the birthday, Secret Santa or white elephant swap, and then it gets ridden.
Product information
| Product type | Novelty bike tail light |
|---|---|
| Material | Soft, flexible white silicone |
| Light | Red LED that glows through the silicone |
| Modes | 3: steady, slow flash, fast flash |
| Mounting | Stretchy silicone strap around the seat rails or seat post, no tools |
| Fits | Bikes, e-bikes, scooters and most motorcycle seats |
| Power | Batteries, pre-installed |
| Weather | Splash- and rain-resistant |
| In the box | 1 light with strap, gift box |
Safety information
Novelty light: use it in addition to, not instead of, the front and rear lights your local road rules require. Fasten the strap so the light cannot reach the wheel, spokes or chain, and check it before every ride. Splash- and rain-resistant only; do not submerge. Contains batteries: keep away from small children and pets.
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Frequently asked questions
How does the bike balls light attach?
A stretchy silicone strap loops around your seat rails or seat post in seconds, no tools needed. It fits bikes, e-bikes, scooters and most motorcycle seats.
What light modes does it have?
Three: steady red, slow flash and fast flash. Give it a tap to switch it on.
Does it come with batteries?
Yes. The batteries are pre-installed, so it lights up straight out of the box.
Can I ride with it in the rain?
Yes, it is splash- and rain-resistant for night rides. Do not submerge it in water.
What is it made of?
Soft, flexible white silicone with a bright red LED inside; the light shines red through the silicone.
Can it replace my regular rear light?
No. It is a novelty light that adds a red glow behind you. Keep using the front and rear lights your local road rules require.
Is it a good gift?
Yes. It is a gag gift for cyclists, bikers and scooter riders, for birthdays, Secret Santa and white elephant swaps, and it comes in a gift box.
How long does delivery take?
Orders are processed within 4–5 business days, then typically arrive within 6–10 business days in the US, UK, Europe, Australia and New Zealand, 8–15 in Canada and Mexico, tracked. Shipping is free on orders of $29 or more; below that it is a flat $9.99.
Is shipping free?
Yes, on every order of $29 or more. Below that, standard shipping is a flat $9.99, shown at checkout before you pay.
What is your return policy?
Within 30 days of delivery you can return an unopened, unused item in its original, undamaged packaging; opened or used items cannot be returned. Email us your order number first and we reply with the return address; return postage is paid by you and shipping charges are not refunded. If an item arrives damaged, faulty or wrong, contact us and we take it back at our cost. The refund goes out within 3 business days of the return reaching us. This does not affect your statutory rights.
Is there a warranty?
Every product carries a full 1-year warranty on top of 30-day returns on unopened items.
Which payment methods do you accept?
All major cards, PayPal, Apple Pay and Google Pay — processed through Shopify's encrypted, PCI-compliant checkout.
How do I track my order?
You'll get a tracking link by email as soon as your order ships, and you can check progress any time on our Track Order page.