the present invention relates to a bicycle lock comprising a lock body and set of arms . the lock body is mountable on the seat of the bicycle . the arms extend from the lock body and terminate in locking surfaces . the locking surfaces are secured together by a locking element . the lock body and arms comprise an integrated textile fabric and steel cable structure simultaneously resistant to common sawing and slicing attacks . the lock body secures the bicycle seat while the arms are threaded through and around bicycle components to attach to a stationary object .