5DEV "Heavy Metal Downhill" MTB Crank Spindle
- Weight : 0.65kg / 1.43lbs
- Packaging Unit: 1 Piece
- Product ID (PID): 43395
- Product safety
Weight
Source: BMX Glossary
The 5DEV "Heavy Metal Downhill" MTB Crank Spindle is machined from 17-4 stainless steel instead of aluminium and adds around 500 g exactly where it helps on a downhill bike: low and central. Neko Mullaly had it made for the Frameworks team bikes in the 2025 World Cup season, and for 2026 5DEV offers it to everyone. 29 x 139 mm for SuperBoost+ and 29 x 145 mm for downhill, fitting all 5DEV crank arms, not SRAM or other cranks.
Facts: 5DEV "Heavy Metal Downhill" MTB Crank Spindle
- Contains: 1 crank spindle
- Material: 17-4 stainless steel
- Length: 145mm or 139mm
- Diameter: 29 mm
- Fits: all 5DEV crank arms, not SRAM or other cranks
- Extras:
- adds around 500 g low and central on the bike
- 616 g (139 mm), 649 g (145 mm) according to the manufacturer
- made in San Diego, California













































































