name | ratio / crank | weight | bearings | brake | year country |
---|---|---|---|---|---|
1500 HA | 6.0:1 30"/pc | 8.1oz | 4+1 | 2kg | 2015 ![]() |
2500 A | 4.8:1 28"/pc | 9.3oz | 4+1 | 4kg | 2015 ![]() |
2506 HA | 6.0:1 35"/pc | 9oz | 4+1 | 2.5kg | 2015 ![]() |
3000 HA | 5.6:1 37"/pc | 10.8oz | 4+1 | 6kg | 2015 ![]() |
4000 HA | 5.7:1 39"/pc | 13.4oz | 4+1 | 6kg | 2015 ![]() |