



Shipping Information
60-day order protection
If the tracking information still does not show that it has arrived at the address you provided within 60 days from the day of delivery, we will give you a full refund unconditionally!
Delivery time for different countries.
This is an estimated time, because of the global COVID-19 problem, shipping may be delayed, hope to understand! See Shipping Policy for more information
Country | Delivery Time |
Ireland,Bulgaria,Malta,Australia,Canada,Greece,Mexico,new Zealand | 10-15 business days |
United Kingdom,France,Netherlands,Croatia,Czech,Hungary,Slovenia,Denmark,Israel,Turkey | 6-10 business days |
United States,Germany,Italy,Spain,Belgium,Estonia,Finland,Latvia,Lithuania,Poland,Portugal,Romania,Slovakia,Switzerland,Norway,Cyprus,Luxembourg,Sweden,Austria | 8-12 business days |
Singapore,Japan,Malaysia,Philippines,Vietnam,Thailand | 5-10 business days |
South Korea | 4-6 business days |
Brazil | 25-30 business days |
South Africa | 15-20 business days |
Colombia,Chile | 11-19 business days |
Specifications
BIKE TYPE | Road Bike and Mountain Bike |
MATERIAL | 7075 aluminum |
MODEL NAME | BB86 / BB92 PF4124 |
ORIGIN | China |
Product Description
WALGUN PF4124 ceramic bottom bracket is made of 6805 sealed ceramic bearings and 7075 aluminum alloy (full CNC machining). Its BB standard is BB86/BB92, The 41mm outer diameter of PF4124 is compatible with 86.5mm (road) and 91.5mm (mountain) bicycle frames, and is compatible with 22mm 24mm spindle bicycle cranks (Shimano Ultegra Dura ace 105 Sram Gxp Bicycle Crankset).
Collapsible content

Guideuse
If you have any questions about how to operate and use the product, please contact us or check the instruction manual for help. If you don't have any experience installing it, we recommend that you have your local bike shop fit your new product.
Warranty
12 months warranty
Maintenance
Shipping & Returns
Items are shipped from China warehouse. WOLBAY promises to return and refund within 15 days. After you receive the goods, WOLBAY will support return and refund within 15 days. Learn more about return refund policy.
60-day order protection
If the tracking information still does not show that it has arrived at the address you provided within 60 days from the day of delivery, we will give you a full refund unconditionally!
Delivery time for different countries.
This is an estimated time, because of the global COVID-19 problem, shipping may be delayed, hope to understand! See Shipping Policy for more information
Country | Delivery Time |
Ireland,Bulgaria,Malta,Australia,Canada,Greece,Mexico,new Zealand | 10-15 business days |
United Kingdom,France,Netherlands,Croatia,Czech,Hungary,Slovenia,Denmark,Israel,Turkey | 6-10 business days |
United States,Germany,Italy,Spain,Belgium,Estonia,Finland,Latvia,Lithuania,Poland,Portugal,Romania,Slovakia,Switzerland,Norway,Cyprus,Luxembourg,Sweden,Austria | 8-12 business days |
Singapore,Japan,Malaysia,Philippines,Vietnam,Thailand | 5-10 business days |
South Korea | 4-6 business days |
Brazil | 25-30 business days |
South Africa | 15-20 business days |
Colombia,Chile | 11-19 business days |