Haro Hanger 31

Haro Derailleur Hanger #31 Replacement Restore smooth shifting performance and protect your bicycle frame with a direct-fit replacement derailleur hanger #31. Compatible with vintage Haro mountain models (Extreme, MX3) and an extensive list of bikes from Marin, KHS, Norco, Schwinn, Louis Garneau, Opus, Trek, and Diamondback. Engineered from durable alloy to absorb impact and prevent costly frame damage.

Haro Derailleur Hanger #31 Replacement

Ensure precise gear shifting and protect your frame dropouts with this high-quality replacement rear derailleur hanger #31[cite: 1]. Engineered to serve as a sacrificial link between your derailleur and frame, it absorbs energy during crashes, trail impacts, or tip-overs to safeguard your frame against permanent damage[cite: 1]. It provides an exact replacement for classic Haro bicycles as well as dozens of models across major bicycle brands[cite: 1].

Features & Benefits

• Precision Alignment: Restores factory shifting geometry for accurate, crisp gear transitions[cite: 1].


• Engineered Frame Protection: Designed to bend or break under heavy impact to prevent expensive frame repairs[cite: 1].


• Extensive Multi-Brand Fitment: Compatible with a wide variety of road, mountain, and hybrid frames from Haro, Marin, KHS, Norco, Schwinn, Opus, and Louis Garneau[cite: 1].

Confirmed Model Compatibility

Haro Models:

• Extreme: 1997–2000[cite: 1]


• MX3: 1998[cite: 1]

Marin Models:

• Mountain & Youth: Bayview 24" (2001), Bear Valley (2003), Bearview (2001), Coast Trail Hardtail & Race (2009), Hidden Canyon (2001), Rift Zone 29er (2013–2014)[cite: 1]


• Road, City & Hybrid: Highway One ALP (2003–2005), Highway One Road (1998), Larkspur CS (2001–2004), Lucas Valley (2004–2007, 2012), Mill Valley (2002–2012), Point Reyes (1996–2002), Redwood (1996–1997), San Anselmo DISC (1999–2004), San Rafael DS (2003–2004), Sausalito (1997–2002), Shoreline Trail (2002), Tiburon (2003)[cite: 1]

KHS Models:

• Alite Series: Alite 500 (1998), Alite 1000 (1998–2000), Alite 3000 (2000)[cite: 1]


• Flite Series: Flite 200 (2004–2005), Flite 250 (2003), Flite 300 (2004–2005), Flite 350 (2005), Flite 500 (2001, 2004–2005)[cite: 1]

Norco Models:

• Carrera Ladies (2002), CRD 1 / CRD 2 / CRD 3 (2003–2004), CRR (2003), Lobos (1997), VPS 2 & 3 (1998)[cite: 1]

Louis Garneau (Garneau) Models:

• CCT (2003–2007), Pop (2014), Ram (2006–2007), Ren 2 / Ren 4 / Ren 24/20/4/2 (2006–2009), RSR 3 (2004–2009), RSR 4 (2004–2009), RSR 5 (2009), TR-Lite 5 (2010)[cite: 1]

Opus Models:

• Corso Series (2013–2015), Lisbor (2013), Mondano Series (2013–2015), Porto (2013–2015), Sequence (2013), Spark Series (2013–2015), Trajetto (2013), Urbano (2013)[cite: 1]

Other Compatible Brands & Models:

• Barracuda: Alite 1000 (1998–2000), Flite 250 (2003), Flite 500 (2001), Team and Similar (1996–2011)[cite: 1]


• Schwinn: AL Sport (2005–2007), Frontier Series (2005–2007)[cite: 1]


• Trek: Bruiser 3 (2005), Frontier Alum / FS / Sport (2006), VW Promo Bike (1997–1998)[cite: 1]


• Diamondback: Century (2005–2006)[cite: 1]


• Jamis: Fester (2006–2007), X.24 (2008–2015), X 2.4 (2011–2012)[cite: 1]


• Gravity: FSX, Quigley[cite: 1]


• Paketa: Rocket Magnesium (2002–2005)[cite: 1]


• Wheeler: 2000, 2700, 900ZX[cite: 1]


• Additional Brands: Carrera (Ladies 2002), Falcon (Falcon D), iZip (Via Urbano 2010), Kuwahara (Savage), Mercier (Elle 2018), Nashbar (Road Models), Nishiki (Century 2004), Optima (Optima D), Ozone (500 KT 29), Scott (Dual Pro 1995), Shogun (Shogun D), Stevens (Junior CX 2017)[cite: 1]

Product Specifications

• Part Name: Derailleur Hanger #31[cite: 1]


• Type: Rear Derailleur Hanger[cite: 1]


• Material: Aluminum Alloy[cite: 1]


• Includes: 1 x Derailleur Hanger (Mounting hardware included where applicable)[cite: 1]