Assuming you already have a GXP bottom bracket, you'll need some grease and a big allen key. If you don't already have a GXP bottom bracket, you'll need a suitable BB tool. It's a 5-minute job
@JSM started
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Assuming you already have a GXP bottom bracket, you'll need some grease and a big allen key. If you don't already have a GXP bottom bracket, you'll need a suitable BB tool. It's a 5-minute job