Product details
The BOX Two M30 external bottom bracket shell is designed exclusively for use with BOX M30 cranksets featuring a 30 mm spindle diameter. It is specifically intended for frames with threaded bottom brackets that are compatible with Euro BSA/BSC bottom bracket shells. It features CNC-machined aluminum cups and dense, low-friction bearings for smooth pedaling.
Features:
• Type: Euro external
• Shell diameter: 34.5 mm
• Spindle diameter: 30 mm
• Thread: BSA/BSC
• Width: 68/73 mm
• Forged and machined aluminum 6061-T6
• Dense, low-friction bearings
• Weight: 110 g
Compatibility:
• For frames with Euro BSA/BSC bottom brackets
• For cranksets with 30 mm spindle.
Frame compatibility | BSA |
Axis compatibility | 30mm |
Box width | 68 mm |
Axis diameter | 30 mm |
Item number | 63910413 |
Manufacturer | Box |
Category | Bottom brackets |
Manufacturer no. | BOXBOBR061 |
Release date | 16.10.2025 |
Colour | Black |
Exact colour description | Black |
Bottom bracket design | Bolted bearing shells |
Frame compatibility | BSA |
Axis compatibility | 30mm |
Box width | 68 mm |
Axis diameter | 30 mm |
Country of origin | France |
Axle diameter | 30 mm |
Weight | 110 g |
Compare products
Goes with
Reviews & Ratings
Warranty score
How often does a product of this brand in the «Bottom brackets» category have a defect within the first 24 months?
Source: Digitec Galaxus- BoxNot enough data
- 1.Sram0.3 %
- 2.Shimano0.4 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- BoxNot enough data
- 1.Shimano0 days
- SramNot enough data
Return rate
How often is a product of this brand in the «Bottom brackets» category returned?
Source: Digitec Galaxus- BoxNot enough data
- 1.Shimano4 %
- 2.Sram4.1 %