Those long arm front mechs from Shimano go really far inboard when in the front ring and a bit further when shifting into said ring.
Try using a newer Shimano front mech like Ultegra 8000 or DA9100 and you'll get back about 10mm of clearance for guards.
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Those long arm front mechs from Shimano go really far inboard when in the front ring and a bit further when shifting into said ring.
Try using a newer Shimano front mech like Ultegra 8000 or DA9100 and you'll get back about 10mm of clearance for guards.