Topeak's Nano TorqBar DX includes a slim, compact preset torque wrench with 4, 5, and 6Nm TorqBits. It's a precision-crafted, high-quality tool that can be stored in a jersey pocket while on a ride. Its advanced torque limit release design consistently applies precise torque values for safety and to prevent damage to carbon parts. It also includes the 5 most popular tool bits: 3, 4, 5mm hex, and T20 and T25 Torx®.
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Tool Type: Multi-Tools
You need a torque wrench for carbon parts on the bike and need to fine tune your handlebar, seatpost and Saddle on rides. This is the one. Perfect size and works great to take with you
The torque wrench works fine with the hex bits, but with the Torx hex bits, the head sometimes comes off when tightening. I have had it slip several times trying to tighten Torx screws for on the handlebar stems. So you have to apply pressure at the head, while twisting the handle with other hand. I am afraid that after a while, I may strip the Torx bolt head. Also when you reach the correct torque, it doesn't give a solid click and feel like other torque wrenches (e.g. Ritchey), but rather you hear faint clicking. Also you are not supposed to loosen the bolts with the torque attachment (which voids warranty). I used it in my travels with a Ritchey Breakaway bike and it performed OK, other than the issues mentioned above. But I think I would rather prefer to have a T-shaped tool with the bit holder in the middle.