![I put 27.5" wheels and a 27.5" fork on a 1990's 26" Mongoose XC mountain bike. It all fits together, but front wheel really wants to flop 90 degrees right or left I put 27.5" wheels and a 27.5" fork on a 1990's 26" Mongoose XC mountain bike. It all fits together, but front wheel really wants to flop 90 degrees right or left](https://external-preview.redd.it/OomRAGKFyAfdzc1-DZVYGSvQtSb1ibIhlTwCJV6aues.png?auto=webp&s=05886912c75717af96ebc58765576e4ee9fc9ca2)
I put 27.5" wheels and a 27.5" fork on a 1990's 26" Mongoose XC mountain bike. It all fits together, but front wheel really wants to flop 90 degrees right or left
What Happens When You Put 26" Wheels on your 27.5" DH Bike?! | I've been wanting to do this for a little while now, I always love my 26" wheels and thought
![Amazon.com : ZTZ Mountain Front Fork 26 Inch 27.5 Inch 29 Inch Double Air Chamber Fork Bicycle Shock Absorber Front Fork Air Fork 26 inch Black Inner Tube : Sports & Outdoors Amazon.com : ZTZ Mountain Front Fork 26 Inch 27.5 Inch 29 Inch Double Air Chamber Fork Bicycle Shock Absorber Front Fork Air Fork 26 inch Black Inner Tube : Sports & Outdoors](https://m.media-amazon.com/images/S/aplus-media/sc/739ec5fa-7c6c-46cb-a87d-42f4957e02c0.__CR0,0,970,600_PT0_SX970_V1___.jpg)
Amazon.com : ZTZ Mountain Front Fork 26 Inch 27.5 Inch 29 Inch Double Air Chamber Fork Bicycle Shock Absorber Front Fork Air Fork 26 inch Black Inner Tube : Sports & Outdoors
![Throwback Thursday, 2010—Ask MBAction: What will happen if I put 27.5-inch wheels on a 29er? - Mountain Bike Action Magazine Throwback Thursday, 2010—Ask MBAction: What will happen if I put 27.5-inch wheels on a 29er? - Mountain Bike Action Magazine](https://mbaction.com/wp-content/uploads/2019/12/tyre-image-dissector_l.jpg)