Amazon.com : KIEVODE Pin Spanner for Bike Crank Arm Caps - Box End and Adjustable Pin Wrench for Shimano, Campagnolo, FSA, and More Mountain and Road Bicycles - MTB Tool : Sports & Outdoors
One key release on Shimano 600 cranks - Page 2 - Bike Forums
Shimano Dura Ace 7700 Chainwheel Crank Arm Fixing Bolt Unit x 2(One Key Release) | eBay
BMXmuseum.com For Sale / shimano one key release crank bolts
Vintage Shimano 600 Arabesque Crank Arm Right One Key Release 170 mm 130 BCD | eBay
SHIMANO 600 type 68=W=116 one key release Bottom Bracket spindle NOS! Beta01 D09-003-01 | renaissance-cycle
Old School BMX Shimano 600 Crank Set 170 mm 130 BCD Vintage Arabesque 1 Key | eBay