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gear HOOK EXT FRAMESET
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HOOK EXT FRAMESET

US$0.00

The Hook’s hoodlum tendencies given free rein. Using a lightweight steel frame, dedicated carbon fork, and lively 27.5-inch wheels, the EXT can batter through territory out-of-bounds to other drop handlebar bikes. As capable on backcountry campouts as it is on post-work blasts, the Hook EXT remains the choice when you’re unsure of the terrain, but know you want to have fun riding it.

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The Hook’s hoodlum tendencies given free rein. Using a lightweight steel frame, dedicated carbon fork, and lively 27.5-inch wheels, the EXT can batter through territory out-of-bounds to other drop handlebar bikes. As capable on backcountry campouts as it is on post-work blasts, the Hook EXT remains the choice when you’re unsure of the terrain, but know you want to have fun riding it.

The Hook’s hoodlum tendencies given free rein. Using a lightweight steel frame, dedicated carbon fork, and lively 27.5-inch wheels, the EXT can batter through territory out-of-bounds to other drop handlebar bikes. As capable on backcountry campouts as it is on post-work blasts, the Hook EXT remains the choice when you’re unsure of the terrain, but know you want to have fun riding it.

 

“Putting more air between you and the trial, the Hook EXT is the choice when you’re unsure of the terrain, or know you want to cut loose.”

 
 
  • SPECIFICATIONS
  • BUILD INFO
  • GEOMETRY
SPECIFICATIONS
ModelHOOK EXT
Color 1Matt Black
Color 2Matt Teal
FrameColumbus Cromor double butted, TA, rack / fender mounts, internal light cable routing, rear light mount, 85.5 mm T47 BB shell
ForkSeido MGV full carbon, TA, 1.1/2'' - 1.1/8'', fender / triple cage mounts, 180 mm max rotor size, lowrider rack compatible, internal hub dynamo cable routing
HeadsetSealed external aheadset, 1.1/2'' - 1.1/8''
Through axle12 x 100 mm / 12 x 142 mm
Seat clampBombtrack Prime 29.8 mm
Rack-
Weight frameset2710 g frame (size L, incl. TA, hanger) / 550 g fork (300 mm steerer, incl. TA)
Maximum rider weight130 kg incl. Luggage
ASTM riding condition2
BUILD INFO
ModelHOOK EXT
BB standardT47 - 85.5 mm shell width
Headset standard (S.H.I.S.)EC34 / 28.6 | EC44 / 40
Headset crown race angle45°
Fork steerer inner diameter23.6 mm
Fork max tire clearance w/o fender650B x 57C / 700C x 57C
Frame max tire clearance w/o fender650B x 52C / 700C x 40C
Maximum chainring clearance 1x44 T with 45 mm chainline
Maximum chainring clearance 2x50 / 36 T with 45 mm chainline
Seat post diameter27.2 mm
Seat clamp diameter29.8 mm
Front derailleur clamp diameter28.6 mm
Frame front derailleur compatibleyes
Brake mount frontFM 160 / 180
Brake mount rearFM 140 / 160
Maximum rotor clearance front180 mm
Maximum rotor clearance rear160 mm
Front through axle12 mm x 100 mm, 1.5 thread pitch
Rear through axle12 mm x 142 mm, 1.5 thread pitch
ISO testing standardRoad
Bike trailerapproved
Seat tube mounted child seatapproved
Derailleur hangerBT-DH-008
Frame small partsBT-CR-007 / BT-CR-006
Through axle frontBT-TA-F-601
Through axle rearBT-TA-R-602
GEOMETRY

FRAME GEOMETRY

ModelHOOK EXT
Bike SizeXSSMLXL
Wheel size27.5''27.5''27.5''27.5''27.5''
Seat Tube Length460500530570600
Horizontal TT length520534558572597
Seat Angle73.9°73.9°73.5°73.5°73.0°
Head Angle70.9°70.9°71.5°71.5°71.5°
Headtube Length110130150170190
BB Drop7171666666
Chainstay Length425425425425425
Fork Offset5353535353
Trail6464616060
Wheelbase Length10031018103410491068
Standover753782805834857
Reach360369381390403
Stack558577593612631
Front Center588603618632652
Axle to Crown410410410410410
Minimum rider height 15001600170017901880
Maximum rider height 16101710181019001990
 
 
 
 
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