Sprocket wheel for a bicycle drive

A front crank arrangement for a bicycle, the front crank arrangement comprising:

• a crank arm;
• and
• an individual chain wheel attached to the crank arm, wherein the individual chain wheel is configured for engaging in a drive chain of the bicycle, said individual chain wheel comprising:
• a plurality of teeth formed on a circumference of the chain wheel and having a first and a second group of teeth, wherein the teeth of the second group of teeth are arranged in an alternating manner between the teeth of the first group of teeth,
• wherein each tooth has a load flank via which force is transmitted between an adjacent roller of the drive chain and a respective tooth of the plurality of teeth,
• wherein each tooth of the first group has at least one profile with an opening in a vicinity of the flank, the opening having an opening flank protruding from a side of the first set of teeth, and
• wherein the load flank of the first set of teeth has a recess which is arranged radially outside and away from a contact point of a roller with the load flank during operation.