---
title: "Cubii — £45K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/sports-outdoors/cubii"
last_updated: "2026-07-31T14:17:57.914Z"
locale: en
meta:
description: "Niche score 48/100 · £45K/yr market · 45K searches/yr · £55.10 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · £45K/yr market · 45K searches/yr · £55.10 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Cubii — £45K/yr Amazon UK Niche (2026) - Flapen"
---
# **cubii**
**Skip it**
A small market ($45K/yr) — this niche doesn't clear our bar today.
Market size 11Growth 16Conversion 23Competition 54Returns 96Price range 87Avg price 91Brand share 76Review moat 25Quality gap 58
**Returns**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****£55.10**
avg listing price — sweet spot $15–$100
**Price range**
**Great****£7.06–£90.59**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Great****59%**
top-5 brand share — no brand owns this niche
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****53%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****4,355.88**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Bad****1.8%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-17.6%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£45K**
£45K/yr · 45K searches
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%") [** High Price**](https://flapen.com/research/niches?market=uk&signal=high_price "Avg price > $50")
According to Flapen's Amazon United Kingdom niche tracking, cubii is a £45K/yr Amazon United Kingdom market (45K searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Jan–Feb–May. Verdict: Skip it — 48/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cubii market data**
- **Units sold / yr**
- **750–1K**
- avg 0–100/product
- **Revenue / yr**
- **£41K–£55K**
- units × avg price
- **Conversion rate**
- **1.8%**
- **Avg BSR**
- **#15**
- **Page quality**
- **0%**
- **Prime**
- **81%**
- **Sponsored**
- **97%**
- **Out of stock**
- **32.0%**
- **Avg brand age**
- **28 months**
- **Avg seller age**
- **200 days**
## **Competition & brand share**
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**22 **▼falling
**Sellers**
**43**
**Top-5 brand share**
**59%**
Top 20: 99%
**Top-5 click share**
**53%**
Top 20: 89%
**Open market**
**34%**
- EVOLAND13% - MERACH13% - Gritin13% - Centra12% - Morelax7% - MOMODA7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -17.6% search growth over the last 90 days.
2K1KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb, May · busiest ÷ quietest = 4.2×
[**Open Trend **](https://flapen.com/research/uk/sports-outdoors/cubii/trend)
## **Top cubii search terms**
- **electric stepper**16K/yr-28.3%1.6% conv. - **leg strengthening equipment**7K/yr-0.2%0.9% conv. - **leg workout equipment**8K/yr-6.8%0.8% conv. - **under desk elliptical machine**7K/yr-3.9%1.7% conv. - **electric pedal exerciser**5K/yr-28.4%2.4% conv. - **leg strengthener**3K/yr-35.4%0.3% conv. [**All search terms **](https://flapen.com/research/uk/sports-outdoors/cubii/search-terms)
## **Top cubii products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%4%£2K8%£4K12%£5K16%£7K1101001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**EVOLAND Vibration Plate Exercise Machine Fitness Vibration Trainer**EVOLAND**£48.79**4.6★2,126 rev](https://www.amazon.co.uk/dp/B07LGN21BY) [2**Gritin Resistance Bands Set of 5 Skin-Friendly Resistance Exercise Band**Gritin**£7.06**4.4★114,638 rev](https://www.amazon.co.uk/dp/B07L9WLKZQ) [3**Centra Under Desk Elliptical Machine 15 Speeds Auto/Manual Modes Electric Seated Leg Exerciser for Seniors & Office Low-Impact Forward/Reverse Pedal Exerciser with Remote LCD & Resistance Bands**Centra**£59.13**4.8★15 rev](https://www.amazon.co.uk/dp/B0FM1V48Y1) [4**MERACH Under Desk Elliptical Machine Ellipse Leg Exerciser as Seen on TV for Seniors with Remote Control & 12-Speeds Quiet Portable Electric Seated Pedal Exerciser Machine for Home Office**MERACH**£87.80**4.6★1,262 rev](https://www.amazon.co.uk/dp/B0FH4ZCGWP) [5**Morelax Under Desk Elliptical Machine for Home Electric Elliptical Machine for Seniors with 12 Adjustable Speed Seated Pedal Exerciser with Remote Control & Non-Slip Pad Quiet&Portable Leg Exerciser**Morelax**£87.98**5.0★1 rev](https://www.amazon.co.uk/dp/B0DSFV6ML9)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**TODO Mini Under Desk Elliptical Machine Elliptical Pedal Exerciser for Home Cross Trainer with Remote Control & Non-Slip Pad 12 Adjustable Speed Low Impact Portable**TODO**£70.41**8 rev4mo ago](https://www.amazon.co.uk/dp/B0G8TVWMWN) [**Morelax Under Desk Elliptical Machine for Home Electric Elliptical Machine for Seniors with 12 Adjustable Speed Seated Pedal Exerciser with Remote Control & Non-Slip Pad Quiet&Portable Leg Exerciser**Morelax**£87.98**1 rev5mo ago](https://www.amazon.co.uk/dp/B0DSFV6ML9) [**Under Desk Elliptical Machine Electric Seated Leg Exerciser for Seniors Adjustable Speed & Low-Impact Design Quiet Portable Trainer with Remote Control for Home Office (Black-T3)**LUBBYGIM**£55.70**47 rev6mo ago](https://www.amazon.co.uk/dp/B0GHDSPDN2) [**Dripex Under Desk Elliptical Cross Trainer For Home Electric Leg Exercise Machine For Seniors Quiet & Portable Seated Pedal Exerciser w/Remote Control 12 Adjustable Speed (Mint Green)**Dripex**£69.79**42 rev9mo ago](https://www.amazon.co.uk/dp/B0FXGVFCJP) [**MOMODA Under Desk Elliptical Machine 2 in 1 Electric Seated Pedal Exerciser with 12 Adjustable for Senior & Home & Office Forward & Reverse Manual & Auto**MOMODA**£59.84**91 rev10mo ago](https://www.amazon.co.uk/dp/B0FSSFP73H)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Morelax Under Desk Elliptical Machine for Home Electric Elliptical Machine for Seniors with 12 Adjustable Speed Seated Pedal Exerciser with Remote Control & Non-Slip Pad Quiet&Portable Leg Exerciser**Morelax**£87.98**5.0★**▲ 138%**](https://www.amazon.co.uk/dp/B0DSFV6ML9) [**Centra Under Desk Elliptical Machine 15 Speeds Auto/Manual Modes Electric Seated Leg Exerciser for Seniors & Office Low-Impact Forward/Reverse Pedal Exerciser with Remote LCD & Resistance Bands**Centra**£59.13**4.8★**▲ 127%**](https://www.amazon.co.uk/dp/B0FM1V48Y1) [**TODO Mini Under Desk Elliptical Machine Elliptical Pedal Exerciser for Home Cross Trainer with Remote Control & Non-Slip Pad 12 Adjustable Speed Low Impact Portable**TODO**£70.41**4.2★**▲ 123%**](https://www.amazon.co.uk/dp/B0G8TVWMWN) [**MERACH 2 in 1 Squat Rowing Machine Easy Setup and Foldable Exercise Equipment Glute Trainer Glutes and Leg Home Workout - White**MERACH**£58.19**4.7★**▲ 118%**](https://www.amazon.co.uk/dp/B0F2MM6THZ) [**EVOLAND Vibration Plate Exercise Machine Fitness Vibration Trainer**EVOLAND**£48.79**4.6★**▲ 78%**](https://www.amazon.co.uk/dp/B07LGN21BY)
**~~View all trending →~~**
## **What buyers say about cubii**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**20%
*“Quality seems robust”*
**Ease Of Use**15%
*“Easy to use”*
**Value For Money**13%
*“Excellent value for money”*
**Exercise/Sports Suitability**10%
*“Good exercise”*
**Advertised Vs Actual Product**7%
*“As advertised”*
**Noise Level**4%
*“not noisy”*
**Weight Light**2%
*“This pedal resistance band is lightweight”*
**Efficiency**2%
*“Perfect for the job required”*
**Size-Overall**2%
*“mechanically fit for purpose”*
**Durability**2%
*“Easy and durable”*
### **What buyers complain about **
**Durability**15%
*“already falling apart”*
**Quality-Overall**11%
*“Obviously quality control isn't the best”*
**Instructions/User Manual/Troubleshooting**7%
*“Very poor instructions”*
**Strength**7%
*“Too weak”*
**Size-Overall**5%
*“This is not fit for purpose”*
**Ease Of Use**3%
*“could be hard to use if youre a little inflexible”*
**Value For Money**3%
*“Not great, cheap for a reason -”*
**Exercise/Sports Suitability**3%
*“Not as good as a full exercise bike though limited”*
**Balance/Stability**3%
*“If you have balance problems and cannot ride a bicycle, this”*
**Grip**2%
*“Slips a bit”*
### **Top return reasons **
**Size-Overall**13%
**Functionality-Overall**13%
**Quality-Overall**9%
**Defective Material/Parts**9%
**Durability**7%
**Strength**5%
**Advertised Vs Actual Product**3%
**Strap/String Quality**3%
**Weight Heavy**3%
**Ease Of Use**3%
## **Common questions**
- **Is cubii profitable to sell on Amazon United Kingdom?**
- The niche generates £45K/yr across 32 tracked products. 6 of 10 products launched in the last 360 days are still selling. 90-day search growth is -17.6%. Flapen's verdict: Skip it (48/100).
- **How competitive is the cubii niche?**
- 22 brands and 43 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 59% of demand.
- **What do buyers complain about in cubii?**
- Top complaints mined from reviews: Durability, Quality-Overall, Instructions/User Manual/Troubleshooting. The return rate is 0.9%.
- **When does demand for cubii peak?**
- Demand peaks in Jan–Feb–May; the busiest month runs 4.2× the quietest.
- **What does it cost to enter the cubii niche?**
- Listings span £7.06–£90.59; the average listing price is £55.10 (sweet spot $15–$100). The average incumbent carries 4,356 reviews — the moat a new listing must climb.
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