movimento centrale power pro bb-7420al jis 68x113mm FSA scatto fisso vintage
Bottom bracket Power Pro BB-7420AL JIS 68x113mm. - perno quadro JIS. - JIS square taper. - crank arm mounting bolts included. - spindle length 113 mm. - shell thread BSA 1,37" x 24 tpi. - shell width 68 mm.