1-1/8" EC34/28.6 EC34/30 External Cup Headset - Black size-g-3-n-25126-b-923 Save space thanks to the

Save space thanks to the flexible and compressible material of your flask

Take this compact and lightweight microfibre towel with you anywhere

If it shatters

S1 FOB and S3 SUN lens - Interchangeable lens function

1-1/8" EC34/28.6 EC34/30 External Cup Headset - Black size-g-3-n-25126-b-923 Save space thanks to theDesigned for replacing the headset on your Rockrider Mountain Bike Technical features Upper stack: EC34 28. 6 Lower stack: EC34 30 Upper frame diameter: 34 Lower frame diameter: 34 Fork steerer: 1 1 8" Cup type: External Bearing type: caged Assembly instructions We recommend using a press tool to fit the cups into your headset. Apply a little grease before assembling. You can add grease onto the caged bearing. Care advice Avoid using high pressure