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Crank bolts coloured with aluminium cap square bottom bracket MTB/Road Dust Caps Axle Bolts 2 pieces (1 pair) crank bolts with cover cap and intermediate ring for attaching the crank arms on the inner bearing suitable for all square standard inner bearing for aluminium and steel cranks 1-3 times Material: screws (stainless steel) | caps (aluminium) | intermediate ring (plastic) Size: M8 x 15 (thread length) mounting: Allen (38 hexagon socket) torque suit: 42 N-m. Box contents: 2 crank screws with caps and intermediate ring in selected colour. The official service life of the discounted shipping form is up to 4-6 days according to the German Post but can also take a lot in individual cases.