Library › Hardware › Crank webs (bar cranks), Ø5 bore, 10 to 30 mm stroke

crank web (bar crank) 25 mm stroke, Ø5 bore with set-screw hub, Ø3 pin; two make a full crankshaft throw

crank web (bar crank) 25 mm stroke, Ø5 bore with set-screw hub, Ø3 pin; two make a full crankshaft throw

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

filecrank-web-stroke25
stroke25
pin offset12.5
overall34.5 × 22 × 12
hubØ22 × 12
Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.
Set it up →

From the full sheet

Crank webs (bar cranks), Ø5 bore, 10 to 30 mm stroke: every size, notes, mating features and sources. What is a crank web and how do two make a crankshaft throw?

Other sizes