13 Cheap AliExpress Bike Parts That Are Surprisingly Good (+ 2 That Suck)
BikeRadar
June 06, 2026
Cycling is more expensive than ever so, like us, you’ve probably been tempted by the lure of Aliexpress and its treasure trove of bargain bike parts.
Luckily for you, Simon von Bromley an Aliexpress veteran and has bought loads of random bike stuff from the Chinese platform over the last few years. In this video, he's going to show you some of the surprisingly good things he's acquired at incredible prices – as well as the things that were naff.
And, if this gets you curious about shopping for some cheap bike stuff on Aliexpress, or similar platforms like Temu, stick around to the end of the video, as Simon has some key tips on avoiding duds and, most importantly, keeping yourself safe on the bike.
Chapers:
00:00 intro
00:32 Pass Quest 1x chainring – £44.49
01:23 89g EVA Carbon saddle – £19.80
01:59 TOSEEK Carbon Seatpost – £13.68
02:39 ZTTO ultralight 11-speed cassette – £33.88
03:43 ZTTO jockey wheels – £2.25
04:14 ZTTO tubeless inserts – £27.39
05:15 Tubeless plug kit – £1.76
05:40 RideNow TPU inner tubes – £11.15 for two
07:02 ULAC 0.5L saddle bag – £12.19 & West Biking top tube bag – £13.22
07:44 UNO ultralight aluminium stem – £11.77
08:40 Motsuv Handlebar tape – £3.44
09:16 Miscellaneous cycling socks – £9.74 for a pack of four
09:39 RISK 3D-printed saddle height measuring tool set – £4.83
11:05 ALLTOO USB-C to Di2 charger head – £13.39
12:28 Simon's top tips for shopping on AliExpress
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Keywords: bikeradar,cycling,bikes,bike,cyclist,bicycle,road,tech,review,test,radar
Parts Mentioned
Summer Sale
ChainringPass Quest 110BCD Chainring 46T 48T 50T 52T 54 56 58T 60T 110 bcd Road Bike chainwheel for Shimano 105 R7000 R8000 ULTEGRA R9100
Created: July 16, 2025The reviewer mentions the Pass Quest chainring as a favorite AliExpress product, noting its good quality, no chain drops, and compatibility with a Shimano drivetrain. However, the specific model (110BCD, 46T-60T) is not discussed in detail; the reviewer talks about a different Pass Quest chainring (34T, Raceface Cinch) for mountain biking.
AI-Summary
MyBikeParts
Pass Quest 110BCD Chainring 46T 48T 50T 52T 54 56 58T 60T 110 bcd Road Bike chainwheel for Shimano 105 R7000 R8000 ULTEGRA R9100
SeatpostTOSEEK Carbon Seatpost 27.2 31.6mm Length 400mm Matte Black MTB Road Bike Seat Post Seat Tube Bicycle Parts MTB Carbon Canoe
Created: January 09, 2025The reviewer mentions the TOSEEK carbon seatpost as a product from AliExpress, noting it has been 'all right' and 'pretty good'. He used it on his gravel bike for a while but switched to a zero-offset seatpost. He describes it as not super light, weighing 190g for a 27.2mm diameter with a 400mm length and 10mm layback. He paid around £15-20 and says it does the job.
AI-Summary
Pros
- Good value for money at around £15-20
- Does the job adequately
Cons
- Not super light (190g)
- He switched to a lighter zero-offset seatpost
MyBikeParts
CassetteZTTO Ultralight Road Bike Cassette 11 Speed SLR2 Cassette 11S 11-28T 11-36T Freewheel 11-32/34T 11V K7 CNC Gravel Bike HG System
Created: July 06, 2025The reviewer mentions the ZTTO Ultralight 11-speed cassette as a lightweight and cheap option for hill climb bikes, weighing 218g and costing £30. It is made of aluminum with a one-piece design, but durability concerns are noted.
AI-Summary
Pros
- Very lightweight at 218g
- Costs only £30
- Much lighter than Shimano 105 or Ultegra cassettes
- Good for hill climb bikes where weight matters
Cons
- Not very durable due to aluminum construction
- Not recommended for everyday use or long-term reliability
Where to Buy
ZTTO Ultralight Road Bike Cassette 11 Speed SLR2 Cassette 11S 11-28T 11-36T Freewheel 11-32/34T 11V K7 CNC Gravel Bike HG System
OSPWZTTO MTB Bicycle Rear Derailleur Jockey Wheel Steel Bearing Pulley 11T 13T Purple CNC Road Bike Guide Roller Idler 4mm 5mm 6mm
Created: June 18, 2025The reviewer mentions ZTTO pulley wheels with proper bearings that spin more smoothly than standard plastic ones on Shimano Altegra derailleurs. They are not expected to add much speed but look cool and come in funky colors. The cost was £2.25 each, considered a real bargain.
AI-Summary
Pros
- Proper bearings for smoother spinning than standard plastic pulleys
- Available in funky colors
- Very cheap at £2.25 each
Cons
- Not expected to add much speed to the bike
Where to Buy
AliExpress
TubesRideNow TPU Bike Inner Tube 700C X18 23 25 28 32 35 37 40C MTB Gravel Ultralight Bicycle Tire 26 /27.5 /29 Inch with Patch Kit
Created: February 02, 2025The reviewer discusses the RideNow TPU inner tube, noting it is a gravel tube weighing 45 grams (though they measured 50 grams). They highlight its compact size and light weight compared to traditional butyl tubes, making it a good option for saddle bags. The tube fits tires from 32 to 47C. They mention the price is around £10 each, or bundle deals like four for £20, which is cheaper than branded alternatives like Pirelli or Tubolito (around £20 each). The reviewer considers it a quality product with a good reputation, worth the extra cost over no-name brands.
AI-Summary
Pros
- Much lighter than traditional butyl tubes
- Takes up less space in saddle bag
- Good for gravel bikes (fits 32-47C tires)
- Cheaper than branded alternatives (e.g., Pirelli, Tubolito)
- Good reputation and quality from RideNow
Cons
- Slightly more expensive than no-name AliExpress tubes
- Claimed weight of 45g but measured 50g (minor discrepancy)
MyBikeParts
BagsWEST BIKING Bike Top Tube Bag TPU Cycling Front Bag With Screws or Straps Waterproof Windproof Gravel Road Bike Top Frame Bag
Created: June 04, 2025The reviewer mentions that the WEST BIKING top tube bag is a good, cheap luggage option from AliExpress, working just as well as western brands. It costs £12 and has subtle branding.
AI-Summary
Pros
- Works just as well as saddle bags and top tube bags from western brands
- Very cheap at £12
- Subtle branding on this particular bag
MyBikeParts
ULAC Mini Portable Bicycle Saddle Bag 0.5L Waterproof Tail Bag MTB Road Bike Quick Release Buckle Rear Bag Cycling Seat Pack
Created: June 07, 2026The reviewer mentions the ULAC Mini Portable Bicycle Saddle Bag as a saddle bag purchased from AliExpress, stating that it works just as well as saddle bags from Western brands and that there is not much safety risk in buying such a bag from China. The bag cost £13.
AI-Summary
Pros
- Works just as well as saddle bags from Western brands
- Low price (£13)
MyBikeParts
ULAC Mini Portable Bicycle Saddle Bag 0.5L Waterproof Tail Bag MTB Road Bike Quick Release Buckle Rear Bag Cycling Seat Pack
StemUNO Ultralight 7/17 Degrees Bike Stems MTB Mountain Road Bicycle Stem 31.8* 60 -130mm
Created: June 12, 2025The reviewer discusses the UNO Ultralight stem as a popular AliExpress item, noting it is a standard aluminum stem for 31.8mm handlebars and 1 1/8 inch steerer. They mention it is fairly light at 149g for a -7 degree, 110mm version and costs only £11.77. The stem is recommended for experimenting with bike fit or for hill climb builds due to its low cost and reasonable weight.
AI-Summary
Pros
- Lightweight at 149g
- Very affordable at £11.77
- Good for experimenting with bike fit or hill climb builds
Where to Buy