Joined: Aug 2009
Posts: 7,726
Likes: 4,191
From: Berkeley, CA
Bikes: 72 Cilo Pacer, 72 Gitane GT, 72 Peugeot PX10, 73 Speedwell Ti,l, 75 Peugeot PR-10L, 80 Colnago Super, 81 Zinn, 85 ALAN Cross, 85 De Rosa Pro, 86 Look 753, 86 Look KG86, 89 Parkpre Team, 90 Parkpre Team MTB, 90 Merlin
I would not ride it. If that spider does crack through and fail catastrophically, I could envision the chain ring folding and you toppling to the ground. If you must ride it--say, in the interim while you are waiting for the replacement to arrive--I would stay in the saddle.