ITA aka Italian threading on road bikes mean a 68mm wide, 34mm inside diameter shell with reverse threading on the drive side. It’s the most common threaded standard employed today. This kit allows you to fit 30mm thru-axle cranks, like those from Rotor, to fit in the tight space of this 34mm spindle.
Italian threading can be found on many high-performing Italian-built bikes. The threaded extension is thin, as they need to fit a 30mm spindle inside the 35mm shell.
The oversized spindle was designed to be stiffer and faster, same as the CeramicSpeed system. CeramicSpeed standard bearings typically have frictional drag of 0.3-0.4 watts per set. That’s in the range of a 75% drag reduction compared to standard bottom brackets. That’s thanks to balls that are 100% smoother and 15% harder than the ceramic competition. The bearings last at least three times longer than other bearings.
You can change the grease to tune performance. TT and Track, All Round, and LongLife are three greases CS designed to help the bearings roll smoothly. The first is the least drag, the last is the most durable. All Round comes in road bearings.
TT and Track, All Round, and LongLife are three greases CS designed to help the bearings roll smoothly. The first is the least drag, the last is the most durable. All Round comes with. You can change the grease to tune performance.
In The Box
- 2 threaded cups with bearings installed.
- 2 1mm spacers.
- 2 0.5mm spacers.
- 2 dust covers.
- Wave washer.
- 10ml syringe All Round Grease.
- Sticker sheet.
