You'll likely need two, to span 4Nm - 50 Nm for cranks or cassettes.
I have snap-on for the accurate 4-25Nm range and craftsman for higher ranges that I purchased mainly for working on cars. Craftsman is pretty crummy quality though, though perhaps on par with Kobalt and similar big box brands. You'll thank yourself every time you use a Snap-on ratcheting wrench in a tight spot - which is almost every time you use a ratchet; the lack of backlash compared to Craftsman tools or similar is amazing. Even Matco and other high end products don't cut it when it comes to ratchet wrenches .
As with all tools, if you're not accustomed to buying quality, they can seem expensive. Consider it a buy-it-for-life thing if you can make the one-time cost. My tools pay for themselves in frustration-dollars all the time :)
Buy high quality high-precision devices, like torque wrenches, calipers, verniers... sockets and screwdrivers aren't as critical. Imagine the cost to damage a carbon frame over a faulty torque wrench, presumably the reason you'd want to get one in the first place.
I have snap-on for the accurate 4-25Nm range and craftsman for higher ranges that I purchased mainly for working on cars. Craftsman is pretty crummy quality though, though perhaps on par with Kobalt and similar big box brands. You'll thank yourself every time you use a Snap-on ratcheting wrench in a tight spot - which is almost every time you use a ratchet; the lack of backlash compared to Craftsman tools or similar is amazing. Even Matco and other high end products don't cut it when it comes to ratchet wrenches .
As with all tools, if you're not accustomed to buying quality, they can seem expensive. Consider it a buy-it-for-life thing if you can make the one-time cost. My tools pay for themselves in frustration-dollars all the time :)
Buy high quality high-precision devices, like torque wrenches, calipers, verniers... sockets and screwdrivers aren't as critical. Imagine the cost to damage a carbon frame over a faulty torque wrench, presumably the reason you'd want to get one in the first place.