AdaEngineering
Retro Newbie
Does anyone have a 4 bolt spider to fit my XTR M951 chainset?
I currently have a 5 bolt middleburn spider on there, but want to use a single narrow/wide chainring which aren't available in 5 bolt
I currently have a 5 bolt middleburn spider on there, but want to use a single narrow/wide chainring which aren't available in 5 bolt