Shagamaw GX1

MSRP: $2,599 Complete
$1,250 Frame Only

The way they envy your Shagamaw only makes the ride better. Attack favorite trails with hardtail efficiency. Conquer new paths with the unbeatable high-speed traction of 27.5 plus wheels and tires. Command your chosen terrain with loads of front suspension. Bring it together with modern, ready-for-anything geometry and you’ve got the DNA for a trail-taming beast!

Built on dialed frames worthy of your own upgrades, Heller bikes are spec’d to deliver great off-road rides—from day one to years to come.

  • Lightweight carbon fiber frame with dialed geometry
  • Internal cable routing for a clean look
  • Internally routed dropper post
  • 148 x 12mm Boost spacing
  • SUNringlé Duroc 40 tubeless-compatible rims
  • Maxxis Rekon+ 27.5 x 2.8" tubeless-compatible tires
  • RockShox Revelation 130mm suspension fork
  • GX 1x11 drivetrain
  • Frame kit includes frame, seat collar, rear axle

Heller bikes are available through and assembled by local bike shops everywhere.

Grab a Heller and get to it...
Less yappin’, more braapin’!

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Sizing

  • Bike Size
  • Suggested Rider Height
    • Small
    • 5'6"–5'9
    • 168–175cm
    • Medium
    • 5'9"–6'0
    • 175–183cm
    • Large
    • 6'0"– 6-3"
    • 183–190cm

Geometry

2018 Shagamaw
Size Small Medium Large
Top Tube (Effective) 23" 585mm 24.3" 616.5mm 25" 634.8mm
Seat Tube Length 15.5" 394mm 17" 432mm 19" 483mm
Head Tube Length 3.7" 95mm 3.9" 100mm 4.1" 105mm
Seat Tube Angle 72° 72° 72°
Head Tube Angle 67.6° 67.6° 67.6°
BB Drop 2.2" 55mm 2.2" 55mm 2.2" 55mm
Chainstay Length 17.3" 440mm 17.3" 440mm 17.3" 440mm
Fork Length 21.3" 541mm 21.3" 541mm 21.3" 541mm
Fork Offset 2" 51mm 2" 51mm 2" 51mm
Wheel Base 43.9" 1114.3mm 45.1" 1146.6mm 46" 1167.3mm
Stack 24.4" 618.8mm 24.5" 623.5mm 24.7" 627mm
Reach 15.6" 395mm 16.7" 425mm 17.5" 444.8mm
Stand Over 28.4" 721mm 29.6" 753mm 31.1" 790.9mm

Measurements listed are based on:
• An unsprung bike (no sag)
• A 27.5 x 3.0” tire measuring 744mm in diameter
• Standover measured vertically 50mm forward from BB center
Measurements in inches unless noted.

Build Spec
Frame Full Carbon
Color Green
Fork RockShox Revelation RC 130mm
Rear Shock N/A
Front Derailleur N/A
Rear Derailleur SRAM GX 11-Speed
Cassette Sunrace 11-42t
Chain SRAM 11-Speed
Crankset Race Face Aeffect 30t
Headset FSA
Stem Kalloy
Handlebars Kalloy
Grips Velo
Shifters Shimano NX 11-Speed
Front Brake SRAM Level
Rear Brake SRAM Level
Rotors 180mm front, 160mm rear
Seatpost TranzX Dropper
Saddle WTB Volt
Front Hub Formula
Rear Hub Formula
Rims SUNringlé Duroc 40
Spokes Stainless
Tires Maxxis Rekon+ 27.5 x 2.8"
Weight 27 lb 3 oz for size Large set up tubeless
Component Sizing Small Medium Large
Stem Length 35mm 45mm 55mm
Crank Arm Length 170mm 170mm 175mm
Handlebar Width 740mm 740mm 740mm
Seatpost Offset N/A N/A N/A
Frame Spec
Frame Carbon
Fork
Fork Travel 130mm
Wheel Size 27.5 x 2.8"
Tire Clearance 3.0
Headset Upper IS42
Headset Lower IS52
Rear Shock Size N/A
Seatpost 31.6mm
Seat Collar 34.9mm
Bottle Mounts 1 per frame
Crankset (max ring) 1x 32t, 2x outer, 38t, inner 24t
Bottom Bracket 73mm English
Front Derailleur High direct mount via 34.9 adapter (Boost/29mm offset); side-swing only, 2x only
Rear Brake 74mm post, rotor 160mm min, 180mm max
Rear Spacing 148 x 12mm
Rear Thru-Axle ∅12 x 178mm L, TP=1.75, TL =11mm
Cable Routing Internal
Frame Weight 2.9 lb size medium

Can I run standard 29” mountain rims and tires on this frame?

Yes, the Shagamaw frame will accommodate 29” wheels 2.1–2.5”.

Can I run gears up front?

Yes the Shagamaw frame is compatible with a 2x front systems. You must run a side swing/front pull style derailleur and a boost compatible 29mm offset 34.9mm band clamp adapter is required.

I crashed and dented (or cracked) my frame. Is it safe to ride?

Stop riding your frame immediately and take it to the nearest Heller Bikes dealer for inspection. Any dent or crack in the frame tube suggests a structural weakening of the frame and should be considered a safety risk.

What is the warranty for this bike?

View warranty