Endorphin trail bike. The single track surgeon

While wholeheartedly Knolly in quality, design and application, the Endorphin features a substantially lightened frame from our previous offerings.

With 140mm (5.5") of rear travel, the ENDORPHIN is designed to be mated with the huge range of 130-160mm (5" - 6") forks currently on the market. Featuring a frame weight of around 7 pounds, the ENDORPHIN will make short work of technical XC trails, ledgy desert riding and long mountain climbs.

The ENDORPHIN shares many of the characteristics of our other full suspension frames, including full length seat tubes, superior handling, great tire clearance, a low suspension leverage ratio and a new version of our Four by 4 Linkage™ designed for a much lighter weight frame. And while the ENDORPHIN is definitely slimmed down compared to our longer travel frames, it's no wuss. Featuring a burly 31.6mm seat tube, full thickness replaceable dropouts, and impressive lateral rigidity the ENDORPHIN is the high that keeps on going.

With both air and coil shock options, a full range of sizes to fit riders from 5' and up, and flexible build kits available, the ENDORPHIN is set to carve it up no matter where you find your singletrack.

Endorphin Overview Video
Endorphin customer reviews from MTBR.com

Geometry X-Small Small Medium Large X-Large
(mm) (mm) (mm) (mm) (mm)
CL Chain Stay Length 426mm
FL Fork Length (includes headset) 525mm
HL Head Tube Length 114 114 121 121 121
SH Stand Over Height ** Approx. 710 - 760mm depending upon frame size
SL Seat Tube Length 390 406 457 508 533
TL Effective Top Tube Length 560 574 597 620 633
WB Wheel Base Length * 1069 1082 1105 1128 1140
  Bottom Bracket Height ** 342mm
  Seat Tube Angle Approximately 67°
  Effective Seat Tube Angle 73°
  Head Tube Angle 68.5°

Specifications
Frame Weight Approximately 3.2kg
Rear Travel 140 mm
Rear Hub Size 135mm Quick Release
Head Set Size 1.125"
Seat Post Diameter 31.6 mm
Seat Tube Collar Diameter 35.0 mm
BB Shell 73 mm Shell Width
BB Size 113 mm Spindle Length (External BB or ISIS)
Front Derailleur 35.0mm band clamp
Max. Rear Tire Size 26" x 2.6"
Max. Rear Disc Rotor Size 180 mm Diameter

* Based on a 140mm travel fork with a 510mm axle to crown length
** Based on 26" rims with 2.25" tires

Geometry X-Small Small Medium Large X-Large
(in.) (in.) (in.) (in.) (in.)
CL Chain Stay Length 16.75"
FL Fork Length (includes headset) 20.7"
HL Head Tube Length 4.5 4.5 4.75 4.75 4.75
SH Stand Over Height ** Approximately 28-30" depending upon frame size
SL Seat Tube Length 15 16 18 19.5 21
TL Effective Top Tube Length 22.0 22.6 23.5 24.4 24.9
WB Wheel Base Length * 41.6 42.1 43 43.9 44.4
  Bottom Bracket Height ** 13.5"
  Seat Tube Angle Approximately 67°
  Effective Seat Tube Angle 73°
  Head Tube Angle 68.5°

Specifications  
Frame Weight Approximately 7 lbs
Rear Travel 5.5"
Rear Hub Size 135mm Quick Release
Head Set Size 1.125"
Seat Post Diameter 31.6 mm
Seat Tube Collar Diameter 35.0 mm
BB Shell 73 mm Shell Width
BB Size 113 mm Spindle Length (External BB or ISIS)
Front Derailleur 35.0mm band clamp
Max. Rear Tire Size 26" x 2.5"
Max. Rear Disc Rotor Size 180mm Diameter

* Based on a 5.5" travel fork with a 20.1" axle to crown length
** Based on 26" rims with 2.25" tires

Frame Pricing

Endorphin  
Rear Shock Fox RP23 Fox DHX 5.0 Air Marzocchi Roco TST R Air Cane Creek Double Barrel
CDN PRICE $2,550 $2,760 $2,895 $3,125
US PRICE $2,350 $2,555 $2,660 $2,850

Buildkit Options

  Super Light Kit All Mountain Kit Single-track Kit
Fork Fox 32 Float RLC Marzocchi 55 ATA Micro or Fox 36 Talas 160 RC2 Fox 32 Talas 150
Fork Travel 150mm (5.9") 120-160mm (4.7 - 6.3") 110-150mm (4.5 - 5.9")
Head Set Cane Creek 110 Cane Creek 110 Cane Creek 110
Stem Thomson Elite 1.125 x 31.8 or Chromag Ranger Thomson Elite 1.125 x 31.8 or Chromag Ranger Thomson Elite 1.125 x 31.8
Bar Next XC 3/4 Low Rise Raceface Atlas 31.8 Raceface Atlas 31.8
Grips (pair) Lizard Skins Knolly Charger Lizard Skins Knolly Charger Lizard Skins Knolly Charger
Brakes Magura Marta 160mm F & R Magura Louise 180mm F / 160mm R Magura Marta 180mm F / 160mm R
Shifters SRAM X-0 SRAM X-9 SRAM X-9
Seat Post Thomson Elite 31.6mm Thomson Elite 31.6mm Thomson Elite 31.6mm
Seat Post QR Chromag Aluminum Chromag Aluminum Chromag Aluminum
Saddle WTB Rocket V SLT Silver / Black Chromag Lynx CroMo Rail Chromag Lynx CroMo Rail
Crankset Raceface Next Carbon 175 Raceface Atlas 175 Raceface Deus 175
Front Derailleur Shimano XT Shimano XT Shimano XT
Rear Derailleur SRAM X-0 Long Cage SRAM X-9 Long Cage SRAM X-9 Long Cage
Cassette Shimano XTR 11-34 SRAM PG-980 11-34 SRAM PG-980 11-34
Chain SRAM PC971 SRAM PC971 SRAM PC971
Pedals Not Included
Front Hub DT Swiss 240 15mm DT Swiss 240 20mm DT Swiss 240 15mm
Rear Hub DT Swiss 240 135 QR WRS DT Swiss 240 135 QR WRS DT Swiss 240 135 QR WRS
Spokes DT Swiss Champion 1.8/1.6 DT Swiss Champion 2.0 DT Swiss Champion 2.0
Rims DT Swiss 4.1d DT Swiss 5.1d DT Swiss 5.1d
Front Tire Maxxis Cross Mark 2.1" 62 Maxxis Minion DHF 2.35" Maxxis Larsen 2.35"
Rear Tire Maxxis Cross Mark 2.1" 62 Maxxis Minion DHR 2.35" Maxxis Larsen 2.35"
Tubes Ultralight Presta Welter Weight Presta Welter Weight Presta

Please contact your dealer for build kit pricing.

Prices Subject to Change without Notice