Here's what other sites are saying:
On Sale. Black Diamond Asymmetrical Center Bars The SPECS Weight: per pair: 3.8 oz / 108 g
For a more customized and ergonomic crampon fit, try the Black Diamond Asymmetrical Center Bars. These bars follow the natural anatomy of aggressively curved boots. Swap out your straight center bars for the Asymmetrical ones if you're sick of aching feet holding you back out on the ice flows .
If your boots have highly curved soles, rely on Black Diamond's aggressively curved Asymmetrical Center Bar pairs. Compatible with Contact, Cyborg, Sabretooth, and Serac crampons.
- Mountain Gear
Black Diamond Asymmetrical Center Bars are an aggressively curved and asymmetrical center bar for boots with highly curved soles.. . . Compatible with Contact, Cyborg, Sabretooth and Serac Crampons. Sold in pairs. Weight per pair : 108 g (3.8 o).
Black Diamond Asymmetrical Flex Center Bars
Black Diamond Long Flex Center Bar
Black Diamond Standard Flex Center Bar
Black Diamond Long Crampon Bar
Lowe Alpine Crampon Bag
Black Diamond ABS-Contact/Neve
Mammut Crampon Pocket
Grivel Air Tech Crampon Spare Parts - Back