s DG-1 Deraillerur guard Derailluer guard for 9mm QR-release Description Specs Cautions Specs SKU 120-2002-01 MSRP USD 6.99 Color Black Material Steel Net weight 55 grams Warranty 1 year Cautions 9 mm QR-release only. More Images データ ダウンロード Instructions Manual , Schematics