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BBB A+Rated
BBB A+Rated
Gravity HD 275PLUS Size Chart | Between sizes? Size down for more crotch clearance
15" - fits most 5'6" to 5'9"
17" - fits most 5'10" to 6'0"
19" - fits most 6'1" to 6'2"
21" - fits most 6'2" to 6'5"
*approx. sizing - your final choice is up to personal preferences
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Front Suspension 27Plus BOOST, Unheard of Price for This Level Of Tech. If you have ridden one you know why you want one.
Join the 27.5PLUS (MidFat) Front Suspension Evolution - this is the best deal on a 2X8 Speed Shimano drivetrain equipped 27.5PLUS (MidFat) bike with powerful Hydraulic Disc Brakes and Lockout 27.5PLUS" Front SUSPENSION FORK, SUNTOUR XCM Boost Spacing Advanced SR 27.5 Fork for absolute control when you need it
Gravity HD27.5 Plus Boost front-suspension mountain bikes combine massive 27.5x2.8 MidFat tires with BOOST hub spacing, a lockout thru-axle front suspension fork, Shimano 2x8 shifting and Shimano hydraulic disc brakes. Built around a light/strong aluminum frame with trail-ready geometry and factory-direct pricing.
Why 27.5PLUS (MidFat)? The wide PLUS tires add cushion, grip and confidence over rough terrain while staying lighter and more nimble than a full fat bike.Roll over obstacles better most any other tire size. Fits smaller riders than the 29ers too. These 27Plus have the best of all worlds. The agility of the 26" wheel and the big wheel experience of the 29er mountain bikes with the cushion, super grip and flotation of a fat bike.
| Model | Gravity HD27.5 Plus Boost |
Salsa Rangefinder CUES 10 29 |
Giant Talon 2 (2025) |
|---|---|---|---|
| Price | $499 | $1,099 | $800 |
| Weight* | ~31 lbs | 31.6 lbs | 31 lbs |
| Drivetrain | Shimano 2x8 | Shimano CUES 1x10 | microSHIFT Advent 1x9 |
| Tires | 27.5 x 2.8 | Teravail Drawpoint 29 x 2.4; frame fits 27.5 x 2.8–3.0 | Maxxis Rekon 27.5 x 2.4 or Rekon Race 29 x 2.4 |
| Note | *Competitor models limited to 2025–2026 published models. Weight shown only where published by product source; n/a or customer provided where not listed. | ||
| Size | 15 | 17 | 19 | 21 | |||||
|---|---|---|---|---|---|---|---|---|---|
| Head Tube Angle | 70 | 70 | 70 | 70 | |||||
| Seat Tube Angle | 73.0 | 73.0 | 73.0 | 73.0 | |||||
| Head Tube Length (mm) | 100 | 100 | 115 | 125 | |||||
| Effective Top Tube (inch) | 21.9 | 23.2 | 24.2 | 25.3 | |||||
| Chainstay (mm) | 450 | 450 | 450 | 450 | |||||
| Standover (inch) | 27.6 | 28.5 | 29 | 29.9 |
Gravity HD27.5 Plus Boost: Customer Feedback
Customers report Gravity aluminum mountain bikes are excellent value and recommend them to friends and family.
Factory-direct pricing helps deliver hydraulic disc brakes, lockout suspension forks and wide 27.5PLUS tires at hundreds less than many dealer-store alternatives.
We have sold thousands of Gravity Front Suspension Mountain Bikes. Here is what just a few Customers say about Gravity Bikes:
New Mexico. Joey V. “…on a Mountain trail with a friend who is highly experienced with MTB and stayed toe to toe with them...took on some tough rocks and some tough bumps without any malfunctions. I Am falling in love with my bike and Im super happy with my buy...I give this bike a high score. Not only does it perform on the Mountain but it gets me to and from work....get one hell of a deal by buying this nice piece of equipment . Very pleased...”
Ethan “..this bike is amazing...out lasted our "top of the line" brand name.”
Dee “Overall, great bike....held up well through small jumps and steep DH.”
