[VIP The 1 year ] Index:4
Through Authenticate 
Pneuma Taroko GR4C is the super-compact option in the Taroko cranks line. The 46-30t ratio makes keeping your cadence in hard climbs and gravel routes easier than ever.
| P/N | Pneuma Taroko GR4C |
| Crank material | CNC AL7150 |
| Crank arm length | 24: 140; 145; 150; 155; 160; 165; 167.5; 170; 172.5; 175; 180 mm |
| 29: 155; 160; 165; 167.5; 170; 172.5; 175 mm | |
| Spider mount positions | Three, in 10° steps |
| BCD |
110/96 mm 4 arms |
| Weight | 460 g (170 mm; TI64-24 mm spindle; w/o chainring) |
| Ridea chainrings | LamiFlow GR4C series (1x or 2x) |
| Colors | Black (more colors are available as a customization option) |
| Spindle diameter | Spindle material | Spindle length | Bearing contact area | Chain line | Q factor |
| 24 mm | SCM440 or TI64 | 126 mm | 92 mm | 44.5 mm | 148 mm |
| 29 mm | AL7075 | 126 mm | 92 mm | 44.5 mm |
148 mm |
