Giant Derailleur Hanger 21 with Derailleur Hanger Mounting Bolts RE78E Fits some Bianchi Kona Colangno Please see Fit List Below Always check the photo of the hanger we recommend against your hanger If it does not look correct, it will not fit. Replaces Mounting Hardware Included Derailleur Hanger Bolts M8 Chainring Bolt Replaces Giant Part Number RE78E Kona Type I Marwi Union Part Number GH-021 Color: Silver New This is NOT a UNIVERSAL Derailleur Hanger Please contact us if you are unsure if this is the hanger you need Must CHECK Rear Dropout Alignment Before Installing Derailleur Hanger compatibility Fits are the result of our own research, feedback from our customers and information that manufacturers have shared with us. Bianchi Bianchi: Cortina: 2010 Colnago Colnago: Ibex: 2008 Colnago: Mountain Bike: 2008 Giant Giant: AC: 1995-16 Giant: AC: All years Giant: Anthem: Pre-2014 Giant: Arete: 2008 Giant: Areva: 2010-16 Giant: ATX 27.5: 2014-17 Giant: ATX: 1997-14 Giant: Boulder SE: All Years Giant: Boulder Series: 1999-10 Giant: Brass SX: 2009 Giant: Cross: All Years Giant: Cypress Series: 2007-13 Giant: Escape Series: 2010-14 Giant: Expressway Series: 2010-13 Giant: FCR Series: 2007-08 Giant: Flourish 2: 2014 Giant: Glory Series: 2007-09 Giant: Great Journey: 2014-17 Giant: Iguana: All years Giant: Ligero RS 1: 2012 Giant: Mid-Step: 2015-16 Giant: Momentum Park: 2015-16 Giant: NRS: 1999-16 Giant: OCR: 2003-05 Giant: Pistol: 2006-07 Giant: Rainier: All years except 2010 Giant: Reign X: 2007-09 Giant: Reign: 2005-07 Giant: Revel 29er: 2013-16 Giant: Revel: 2010-16 Giant: Rincon: 2007-16 Giant: Roam Series: 2010-12 Giant: Rock 29er: All Years Giant: Rock: All Years Giant: Rove 2 Disc: 2014 Giant: Sedona Series: 2007-16 Giant: Seek: 2009;2013 Giant: Snap: All Years Giant: Split 1: 2014 Giant: STP: 2005-10 Giant: Suede: 2005-16 Giant: Talon 29er: 2011-13 Giant: Talon: Pre-2013 Giant: TCX Aluminum: 2004-08 Giant: TCX: 2008 Giant: Tourer RS: 2012 Giant: Trance Advanced: 2007-08 Giant: Trance: 2005-07 Giant: Trans Sport : 2008 Giant: Trials Comp: All Years Giant: VT: 1999-05 Giant: Warp: 2001-07 Giant: XTC Jr: 2010-16 Giant: Yukon : 1995-16 Infinity Infinity: Crazyhorse HT 29 XM3 S: 2019 Infinity: Crazyhorse HT 29 XM5E Egbert: 2019 Infinity: HT 26 Plateau Disc Brakes: 2019 Kona Northrock Northrock: XC27