Help & Support
Find answers to your questions, check compatibility guides, and review our warranty and return policies.
Bottom Bracket Compatibility Guide
Match your frame standard with your crankset spindle diameter to find the right bottom bracket.
Crankset Spindle Standard
El primer paso es identificar el diámetro del eje de tus bielas. Los dos estándares más comunes en el mercado actual son Shimano (24mm) y SRAM DUB (28.99mm).
Shimano Hollowtech II (24mm)
The industry standard for Shimano cranks and many third-party options. Features a straight 24mm steel spindle.
SRAM DUB (28.99mm)
SRAM's unified spindle standard designed to work across all major frame shells while improving durability over 30mm systems.
2Frame Bottom Bracket Shell
BSA (English Threaded)
The most common and reliable threaded standard. Shell width is 68mm (road) or 73mm (MTB) with a 34.8mm inner diameter.
BB86 / BB92 (PressFit)
Shimano's PressFit standard. Shell width is 86.5mm (road) or 89.5/92mm (MTB) with a 41mm inner diameter.
PF30 (PressFit 30)
A larger PressFit standard. Shell width is 68mm (road) or 73mm (MTB) with a 46mm inner diameter.
T47 (Threaded)
A modern threaded standard combining the reliability of BSA with the dimensions of PF30. Shell width variants include 68mm, 85.5mm, etc.
Warranty Policy
We stand behind the quality of our products. CERAMIKO offers a 2-year limited warranty on all bearings and bottom brackets against manufacturing defects.
✓What is covered:
- Defects in materials or workmanship.
- Premature failure under normal riding conditions.
×What is NOT covered:
- Normal wear and tear (bearings are consumable items).
- Damage caused by improper installation, crash, or lack of basic maintenance (e.g., pressure washing directly onto the seals).
Returns & Exchanges
We want you to be completely satisfied with your purchase. Unused items in their original packaging can be returned within 30 days of delivery.
How to return an item:
- 1RMA RequestContact our support team at hello@ceramiko.cc to request a Return Merchandise Authorization (RMA) number.
- 2PackagingSafely pack the item in its original packaging.
- 3ShippingShip it back to our EU headquarters using a trackable shipping method.
Once we receive and inspect the returned item, we will process your refund to the original payment method within 5-7 business days. Please note that return shipping costs are the responsibility of the customer unless the return is due to an error on our part.
Frequently Asked Questions
Encuentra respuestas rápidas a las dudas más comunes de otros ciclistas sobre nuestros rodamientos.
How long do CERAMIKO bearings last?
In typical cycling conditions, our bearings last 4× longer than comparable steel bearings — often 10,000–20,000 km of use.
Do I need special tools to install them?
No. All CERAMIKO bearings are drop-in replacements. Standard bearing press and cups are all you need.
Are ceramic bearings worth it for amateur cyclists?
Absolutely. The smoother rolling feel is immediately obvious, and the reduced maintenance alone makes the upgrade worthwhile.
Which bottom bracket do I need?
It depends on your frame's bottom bracket shell (e.g., BSA, BB86, T47) and your crankset spindle diameter (e.g., Shimano 24mm, SRAM DUB 28.99mm). Check our Compatibility Guide for details.
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