* MODEL NUMBER: MR121 for the ACB No.42 headset
* Sealed Cartridge bearings ACB Standard (Second highest grade)
* For tapered head tubes
* Size: 1-1/8"
* Outside diamter: 41.8mm
* Inside Diameter: 30.5mm
* IA: 45 degrees
* Seal: Dual
* Ball material: CrMo (Highest grade)
* Model name: TH-870E
* Item number: 160-1647
* Colour: Black
* Weight: 30g
11 Reviews Hide Reviews Show Reviews
1st class service
All went very well. I would definitely buy from seller again.
Arrived in good time item as described. Good seller.
Super fast delivery thanks
Nice product Thank you.
Great service will use again
Excellent item and very fast delivery many thanks