The KCNC BB30 MTB adaptor allows Shimano cranksets with 24 mm axle diameter and KCNC cranksets with 25 mm axle diameter (without inserts) to be installed in BB30 mountain bike frames.
The high-quality bottom bracket consists of center threaded, CNC machined bearing cups and sealed stainless steel bearings for a long-lasting durability.
| Material: | bracket cups: aluminium, bearings: stainless steel |
| Weight: | approx. 131 gram (weighed by Bike24) |
| Bottom bracket spindle profile: | 25mm K-Taluminummm Shimano HT II axle (with spacer) |
| Case width: | 68 mm / 73 mm |
| Case diameter: | 41.96 mm |
