From HOPE:
A two-piece hollow design allows for the removal of any unwanted material increasing stiffness and reducing weight.
- Two-piece hollow construction
- Fully CNC machined for precise material removal
- 30mm aluminium axle
- Compatible with almost every BB system with our extended range of BB’s
- 170, 172.5 and 175mm arm length available
- Arms available in Black, Blue, Red, Silver, Purple and Orange
- Self-extracting axle/arm interface
- Weight 518g (172.5mm and 5 bolt spider, w/o BB)