HOOK EXT C FRAMESET
A fast bike for all kinds of riding. The Hook EXT C might have been designed as a gravel racer, but that doesn’t stop it also being a perfect tourer, commuter, or even summer-season cyclocross bike. Offering uprated strength and manoeuvrability, this agile adventure bike is the perfect companion for technical backcountry raids.
A fast bike for all kinds of riding. The Hook EXT C might have been designed as a gravel racer, but that doesn’t stop it also being a perfect tourer, commuter, or even summer-season cyclocross bike. Offering uprated strength and manoeuvrability, this agile adventure bike is the perfect companion for technical backcountry raids.
A fast bike for all kinds of riding. The Hook EXT C might have been designed as a gravel racer, but that doesn’t stop it also being a perfect tourer, commuter, or even summer-season cyclocross bike. Offering uprated strength and manoeuvrability, this agile adventure bike is the perfect companion for technical backcountry raids.
“An ultralight carbon construction strips mass from the Hook EXT while retaining the versatility the range is known for.”
SPECIFICATIONS
| Model | HOOK EXT C |
|---|---|
| Color 1 | Metallic Black |
| Color 2 | Light Blue |
| Frame | Toray T800 carbon blend, TA, rack / fender mounts, internal hub dynamo cable routing, 85.5 mm T47 BB shell, UDH derailleur hanger, optional full internal cable routing |
| Fork | Seido 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 |
| Headset | Sealed integrated aheadset, 1.1/2'' - 1.1/2'' |
| Through axle | 12 x 100 mm / 12 x 142 mm |
| Seat clamp | Bombtrack Prime 31.8 mm |
| Rack | - |
| Weight frameset | 1380 g frame (size M, incl. TA, hanger) / 550 g fork (300 mm steerer, incl. TA) |
| Maximum rider weight | 115 kg incl. luggage |
| ASTM riding condition | 2 |
BUILD INFO
| Model | HOOK EXT C |
|---|---|
| BB standard | T47 - 85.5 mm shell width |
| Headset standard (S.H.I.S.) | IS52 / 28.6 | IS52 / 40 |
| Headset crown race angle | 45° |
| Fork steerer inner diameter | 23.6 mm |
| Fork max tire clearance w/o fender | 650B x 57C / 700C x 57C |
| Frame max tire clearance w/o fender | 650B x 57C / 700C x 45C |
| Maximum chainring clearance 1x | 42 T with 47 mm chainline |
| Maximum chainring clearance 2x | 48 / 31 T with 47 mm chainline |
| Seat post diameter | 27.2 mm |
| Seat clamp diameter | 31.8 mm |
| Front derailleur clamp diameter | bolt on FD hanger included in frame |
| Frame front derailleur compatible | yes |
| Brake mount front | FM 160 / 180 |
| Brake mount rear | FM 160 / 180 |
| Maximum rotor clearance front | 180 mm |
| Maximum rotor clearance rear | 180 mm |
| Front through axle | 12 mm x 100 mm, 1.5 thread pitch |
| Rear through axle | 12 mm x 142 mm, 1.0 thread pitch |
| ISO testing standard | Road |
| Bike trailer | not approved |
| Seat tube mounted child seat | not approved |
| Derailleur hanger | Sram UDH |
| Frame small parts | BT-CR-014 / BT-CR-015 |
| Through axle front | BT-TA-F-601 |
| Through axle rear | BT-TA-R-606 |
GEOMETRY
FRAME GEOMETRY
| Model | HOOK EXT C | ||
|---|---|---|---|
| Bike Size | S | M | L |
| Wheel size | 700C | 700C | 700C |
| Seat Tube Length | 500 | 530 | 570 |
| Horizontal TT length | 541 | 563 | 580 |
| Seat Angle | 74.5° | 74.0° | 74.0° |
| Head Angle | 70.5° | 70.5° | 70.5° |
| Headtube Length | 130 | 150 | 170 |
| BB Drop | 72 | 72 | 72 |
| Chainstay Length | 425 | 429 | 434 |
| Fork Offset | 53 | 53 | 53 |
| Trail | 69 | 69 | 69 |
| Wheelbase Length | 1034 | 1056 | 1079 |
| Standover | 773 | 805 | 822 |
| Reach | 384 | 396 | 407 |
| Stack | 564 | 583 | 602 |
| Front Center | 619 | 637 | 655 |
| Axle to Crown | 410 | 410 | 410 |
| Minimum rider height * | 1630 | 1710 | 1790 |
| Maximum rider height * | 1730 | 1810 | 1880 |
