Take everything apart,get all the grease out of the bb and feel inside where the bearings go,it should be fairly smooth,do this to both sides and compare the "feel" of each..If it doesn't feel right(burrs,cracks) there's your problem...I just replaced the bearings in my bike and they were 1/4 inch but your bearings will probally be metric in that general size,it's easy enough to find online...don't skimp on the bearings,get grade 25 bearings,there the best...amazon has them for short money and good luck

Bottom bracket bearing Issues
I've searched through the questions and couldn't find an answer that would work for me and I'm new to Rails and am stuck. I'm trying to render a simple_form I use to post statuses into a view for user profiles. But every time I load the profile page I get the following error:

undefined method `model_name' for NilClass:Class

Extracted source (around line #1):

1: &lt;%= simple_form_for(@status) do |f| %&gt;


I don't know why because it renders fine in two other views I have, only difference they are located in the same folder as the form. The profile is not. This is what I used to render the form:

&lt;%= render partial: "statuses/form", locals: { status: @status} %&gt;


and here's what my controller looks like:

class StatusesController &lt; ApplicationController

  before_filter :authenticate_member!, only: [:new, :create, :edit, :update] 

  # GET /statuses
  # GET /statuses.json
  def index
  @statuses = Status.all

    respond_to do |format|
    format.html # index.html.erb
    format.json { render json: @statuses }
   end
  end

  # GET /statuses/1
  # GET /statuses/1.json
  def show
    @status = Status.find(params[:id])

    respond_to do |format|
      format.html # show.html.erb
      format.json { render json: @status }
    end
  end

  # GET /statuses/new
  # GET /statuses/new.json
  def new
    @status = Status.new

    respond_to do |format|
      format.html # new.html.erb
      format.json { render json: @status }
    end
  end

  # GET /statuses/1/edit
  def edit
    @status = Status.find(params[:id])
  end

  # POST /statuses
  # POST /statuses.json
  def create
    @status = current_member.statuses.new(params[:status])

    respond_to do |format|
      if @status.save
        format.html { redirect_to @status, notice: 'Status was successfully created.' }
        format.json { render json: @status, status: :created, location: @status }
      else
        format.html { render action: "new" }
        format.json { render json: @status.errors, status: :unprocessable_entity }
      end
    end
  end

  # PUT /statuses/1
  # PUT /statuses/1.json
  def update
    @status = current_member.statuses.find(params[:id])
    if params[:status] &amp;&amp; params[:status].has_key?(:user_id)
        params[:status].delete(:user_id) 
    end 
    respond_to do |format|
      if @status.update_attributes(params[:status])
        format.html { redirect_to @status, notice: 'Status was successfully updated.' }
        format.json { head :no_content }
      else
        format.html { render action: "edit" }
        format.json { render json: @status.errors, status: :unprocessable_entity }
      end
    end
  end

  # DELETE /statuses/1
  # DELETE /statuses/1.json
  def destroy
    @status = Status.find(params[:id])
    @status.destroy

    respond_to do |format|
      format.html { redirect_to statuses_url }
      format.json { head :no_content }
    end
  end
end


What am I missing here?
