Pedros Grande 10-80Nm Torque Wrench Ratcheting: Yes 3/8"Pedros Grande Torque Wrench 3 8" Ratcheting Reversible Click Type Micrometer Scale 10 80 Nm Range. Torque wrenches have become an essential bicycle tool. The increase in carbon fiber bikes and components have driven the need. While carbon fiber allows for more optimal design and provides a far higher strength to weight ratio compared to steel and aluminum it is also more susceptible to crushing and cracking when improperly set up. Pedros Grande Torque