Bike spare parts that supply a wide selection of replacement ball bearing retainers for headset and crank repairs. Peace of mind for home mechanics who want to keep wheels, headsets and cranks running between services. Is the Pirhosigma Bike Ball Bearing Headset Retainer Set the compact repair kit most riders should carry?
⚡ At a Glance
- • Size Coverage: Nine retainer sizes included, covering 4mm to 8mm (1/6 inch to 1/3 inch)
- • Best for: Home mechanics and cyclists who perform headset, crank and wheel bearing repairs on mountain bikes, road bikes, scooters and foldable bikes
- • Not ideal for: Bikes that require bearings outside the 4mm–8mm diameter range
High quality steel retainers supplied in five-of-each sets across nine sizes. Suitable for mountain bikes, road bikes, scooters and foldable bikes.
Durable Parts for Repeated Use – With high quality steel construction
High quality steel provides strength under load and reduces wear at contact points during rotation and bearing loads. Retainers resist deformation that can occur with cheaper materials, keeping balls correctly seated.
Longer service life reduces the frequency of replacements and keeps wheel and headset operation stable between maintenance intervals.
Wide Size Coverage for Common Repairs – Thanks to nine retainer sizes covering 4mm–8mm
The kit contains nine different retainer sizes spanning 4mm to 8mm, addressing a broad range of bearing diameters commonly found on bicycles and scooters. Size labelling and selection helps match the correct retainer to the bearing seat.
A single kit often supplies the correct size at first attempt, saving time during roadside fixes or workshop repairs.
Plenty of Spares Included – With five of each retainer size provided
Package contents list five pieces for each of the nine retainer sizes, giving a total of 45 retainers. The multiple-count approach allows repeated repairs without immediate reordering.
Bulk spares reduce downtime and let riders keep a set in a toolkit and another in a saddlebag for quick fixes.
✨ The 4 Key Reasons for Pirhosigma Bike Ball Bearing Headset Retainer Set
- High-quality steel – Reduces wear and deformation during repeated maintenance and heavy use
- Five per size included – Keeps multiple spares available for ongoing repairs and saves ordering delays
- Standard dimensions – OD 34mm, ID 23mm, 6mm ball diameter for consistent fitting
- Compact repair kit – Fits into a toolkit or saddlebag for roadside fixes
📋 Technical Details at a Glance
- Category: Bicycle ball bearing retainer set
- Brand: Pirhosigma
- Material: High quality steel
- Includes: 5 x each of nine retainer sizes (45 retainers total)
- Size range: 4mm to 8mm (1/6 inch to 1/3 inch)
❓ Frequently Asked Questions
Q: Are these retainers compatible with my bike's bearings?
A: Compatibility covers many common bicycle and scooter bearings; the set contains nine sizes spanning 4mm to 8mm, so check your bearing diameter against that range.
Q: How many retainers are included per size?
A: Each listed size includes five retainers, giving five pieces for every one of the nine sizes in the package.
Q: What material are the retainers made from?
A: Manufactured from high quality steel for strength and resistance to deformation during normal cycling stresses.
🏆 Our Verdict
The kit is suitable for home mechanics and cyclists who carry out headset, crank and wheel bearing repairs on a range of bikes and scooters. A combination of high quality steel, nine sizes and five spares per size gives broad coverage and durable replacements. Strong value for riders who prefer to repair components themselves and keep organised spares on hand.
