42- 52mm Mountain Bike Headset Aluminium Alloy Bicycle Headset Portable Bike Headset MTB Road Bike

Label:Yes IS42/IS52 Integrated Headset Bearing Set: This bike headset set includes upper IS42 and lower IS52 angular contact bearings, designed for integrated headset systems on compatible MTB and road bike frames. Compatible with Tapered and Straight Forks: Suitable for standard tapered forks with upper 28.6 mm and lower 39.8 mm, as well as standard straight forks with upper 28.6 mm and lower 30 mm, offering practical compatibility for different bike setups. Aluminum Alloy Construction: Made from aluminum alloy, this front fork bearing accessory set is lightweight and durable for regular bicycle maintenance, headset replacement, or bike upgrade applications. Frame Fitment Details: Designed for frames with a head tube upper inner diameter of 41.8 mm (42 mm) and lower inner diameter of 52 mm. Please confirm your frame and fork dimensions before purchase to ensure proper fit. Suitable for MTB and Road Bikes: Designed for mountain bikes and road bikes, this black headset bearing set helps support smooth steering performance and stable front fork installation. Package includes 1 front fork bearings accessory set.

Item Type:Front Fork Bearings Accessories Color:Black Material: aluminum alloy Upper Peilin (IS42): Inner diameter: 28.6mm(1.13in) Outer diameter: 41.8mm(1.65in) Lower Peilin (IS52): Inner diameter: 40mm(1.57in) Outer diameter:52mm(2.05in) Applicable frames: Head tube: Upper inner diameter 41.8 (42) mm, lower inner diameter 52 mm(2.05 in) Fork: Standard tapered fork: Upper 28.6 mm(1.13 in), Lower 39.8 mm(1.57 in) Standard straight fork: Upper 28.6 mm(1.13 in), Lower 30 mm(1.18 in)

Packing List:1 * Front Fork Bearings Accessories

Notes: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.