2 Crank bolts allen key bike bottom bracket bb cycle bike bicycle axle

These are steel crank bolts with incorporated dust cover in 3 different sizes all use an allen key for insertion.

Features

  • One pair of crank bolts to fit square tapered and standard bottom brackets
  • No separate crank cap needed
  • M8 (8mm)thread, thread 15mm long, 22mm dia. end cap

*** Important notes ***

Comparison Chart
ThreadM8M12M15
Free Thread Length14mm13mm13mm
End cap Diameter19mm19mm19mm
Allen key Required8mm8mm8mm