gym lock
Worth a lookShows a sweet-spot price point ($19.66 avg), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Avg price
Great£19.66avg listing price — sweet spot $15–$100
Conversion
Great8.4%search→purchase rate — share of searches ending in a sale
Returns
Great1.7%return rate — above 5% kills the launch gate
Price range
Great£8.09–£48.88cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Review moat
Good864.64avg incumbent reviews — the moat a new listing must climb
Competition
Good46%top-5 click share — leaders hold, buyers still browse
Growth
Bad-0.6%90-day search growth — must beat 0% to launch
Market size
Bad£85K£85K/yr · 51K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, gym lock is a £85K/yr Amazon United Kingdom market (51K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 52/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
gym lock market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- £118K–£157K
- units × avg price
- Conversion rate
- 8.4%
- Avg BSR
- #66
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 48%
- Out of stock
- 0.0%
- Avg brand age
- 53 months
- Avg seller age
- 167 days
Competition & brand share
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.Brands
5 falling
Sellers
68
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
46%
Top 20: 86%
Open market
0%
- Squire71%
- Diyife14%
- Master Lock9%
- NovLock4%
- Henry Squire1%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -0.6% search growth over the last 90 days.Peak months: Aug, Sep · busiest ÷ quietest = 2.9×
Top gym lock search terms
- squire padlock17K/yr
- heavy duty combination padlock12K/yr
- squire combination padlock15K/yr
- heavy duty padlock combination4K/yr
- heavy duty combination padlock outdoor weatherproof3K/yr
Top gym lock 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Squire CP40 Combination Padlock 40mm Black
Squire£10.633.9★195 rev
Squire Heavy Duty Padlock (CP50BLACK) - Toughest Steel Shackle - 4 Wheel 50mm Wide Combination Padlock (Black) - Alloy Steel for Corrosion Resistance - Weatherproof Lock for Home School & Garage
Squire£16.764.2★189 rev
![Diyife Large Heavy Duty Combination Padlock Outdoor [Anti-Cutting] [Waterproof] 8mm Shackle 54mm 4-Digit Padlocks with Code High Security Padlock for Gate Shed Fence School Gym Garage](https://m.media-amazon.com/images/I/41Q5LNgQokL.jpg)
Diyife Large Heavy Duty Combination Padlock Outdoor [Anti-Cutting] [Waterproof] 8mm Shackle 54mm 4-Digit Padlocks with Code High Security Padlock for Gate Shed Fence School Gym Garage
Diyife£11.754.8★300 rev
Squire Heavy Duty Padlock (CBW85) - 5 Wheel Combination - Alloy Steel for Corrosion Resistance - Ideal for Gates Garages and Large Sheds (Blue 85 mm)
Squire£37.524.4★246 rev
MASTER LOCK Heavy Duty Combination Padlock Security Level 8/10 Combination Outdoor Stainless Steel Weatherproof
Master Lock£11.024.0★4,713 rev
Newest
by launch date
Squire Stronglock Plus Laminated Padlock 50mm Closed Shackle Heavy-Duty Security Lock with Hardened Steel Body Anti-Theft Design Ideal for Sheds Gates Lockers & High-Risk Areas
Squire£25.091 rev
Squire Combination Padlock CP40/2.5 40mm Long Shackle Combination Padlock (Black) Re-Codable 4-Digit Push Button Lock Ideal for Gates & Large Lockers
Squire£13.5018 rev
Squire CP60 Combination Padlock 60mm Black 5-Wheel Lock
Squire£22.1032 rev
NOVLOCK Heavy Duty Combination Padlock Outdoor Weatherproof Cut-Resistant 0.31 (8mm) Shackle for Gates Fences Sheds Storage Units Lockers Cabinets 1-Pack Black
NovLock£10.42726 rev
Diyife Large Heavy Duty Combination Padlock Outdoor [Anti-Cutting] [Waterproof] 8mm Shackle 54mm 4-Digit Padlocks with Code High Security Padlock for Gate Shed Fence School Gym Garage
Diyife£11.75300 rev
Trending
90-day click momentum
Henry Squire Stronghold 6 Pin S Cylinder Open Shackle Steel Padlock 50 mm (Length)
Squire£36.064.4★
Squire Stronglock Plus Laminated Padlock 50mm Closed Shackle Heavy-Duty Security Lock with Hardened Steel Body Anti-Theft Design Ideal for Sheds Gates Lockers & High-Risk Areas
Squire£25.091.0★
Diyife Large Heavy Duty Combination Padlock Outdoor [Anti-Cutting] [Waterproof] 8mm Shackle 54mm 4-Digit Padlocks with Code High Security Padlock for Gate Shed Fence School Gym Garage
Diyife£11.754.8★
Squire Container Padlock - WS75 - Hardened Steel Block Lock - CEN 4 Rated - High Security - 4 x Keys Supplied Free of charge
Henry Squire£48.884.6★
MASTER LOCK Heavy Duty Combination Padlock Security Level 8/10 Combination Outdoor Stainless Steel Weatherproof
Master Lock£11.024.0★
What buyers say about gym lock
What buyers praise and complain about, mined from review topics.What buyers love
“The combi lock works well”
“good quality item, arrived quickly, easy to use and looks substantial”
“Heavy duty, easy to set up”
“Best deal”
“Easy to use”
“easy to set code”
“Secure”
“Does the job”
“perfect and durable”
“Fits well”
What buyers complain about
“Broke after a few days”
“not a good lock”
“Poor quality manufacturer has cheapened the product”
“The small lock”
“Awful to use”
“The instructions on the packaging are poor to say the least”
“Haven't found much if any rusting on it”
“was a waste of money”
“The number dial jammed after just one use”
“The button on the bottom has cracked”
Top return reasons
Common questions
- Is gym lock profitable to sell on Amazon United Kingdom?
- The niche generates £85K/yr across 33 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -0.6%. Flapen's verdict: Worth a look (52/100).
- How competitive is the gym lock niche?
- 5 brands and 68 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in gym lock?
- Top complaints mined from reviews: Durability, Locking Mechanism, Quality-Overall. The return rate is 1.7%.
- When does demand for gym lock peak?
- Demand peaks in Aug–Sep; the busiest month runs 2.9× the quietest.
- What does it cost to enter the gym lock niche?
- Listings span £8.09–£48.88; the average listing price is £19.66 (sweet spot $15–$100). The average incumbent carries 865 reviews — the moat a new listing must climb.