HOOK EXT TI
Bombtrack
Gravel
HOOK EXT TI is a titanium gravel road bike (2024), from Bombtrack, in the Hook series. This setup will suit riders who prioritize comfort, confidence, and longer rides, with a comfort-leaning riding position, while being built for broader mixed-surface riding and longer routes. Based on the metrics, key strengths are good fit flexibility for dialing in rider position, balanced, versatile speed for everyday riding, and a balanced ride feel between comfort and directness. If this looks close to what you want, compare this bike on MatchBikes.com against similar models.
5.4
Rating

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Score Summary
Performance
4.5
Fit
6.6
Performance
Built for speed and efficiency
Speed
6.8
Medium
Climbing Efficiency
4.4
All-Rounder
Aerodynamics
4.7
Minimal Aero
Fit
Dialed-in Fit & Comfort
Riding Position
5.0
Comfort
Fit Flexibility
9.1
Highly Adjustable
Ride Comfort
5.4
Balanced
Value
Surface Range
AdventureSpecifications
General
Brand
Bombtrack
Model
HOOK EXT TI
Year
2024
Category
Road
Sub Category
Gravel
Groupset
GRX Di2, GRX 800
Frame
Frame
Titanium 3Al-2.5V, TA, rack / fender mounts, UDH derailleur hanger
Suspension 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
Suspension Type
Rigid
Drivetrain
Shift Levers
Shimano GRX DI2 ST-RX815 2 x 11
Rear Derailleur
Shimano GRX DI2 RD-RX815
Front Derailleur
Shimano GRX DI2 FD-RX815-F
Cassette
Shimano Ultegra CS HG 800, 11-speed, 11 - 34 T
Crank
Shimano GRX 810-2, hollow forged aluminium crank, 24 mm spindle
Bottom Bracket
Bombtrack T47 internal sealed BB for 24 mm spindle
Chain
KMC X11 EPT Anti Rust chain, 1/2'' x 11/128'', 112L
Wheels
Front Hub
Bombtrack Tau sealed hub, 6-bolt disc
Rear Hub
Bombtrack Tau sealed hub, 11-speed, 6-bolt disc
Rims
WTB EZR i25, TCS 2.0, 32h
Tires
Front: WTB Ranger TCS Light / Fast Rolling 27.5'' x 2.0'', tubeless ready, Rear: WTB Ranger TCS Light / Fast Rolling 27.5'' x 2.0'', tubeless ready
Brakes
Brake Type
Hydraulic Disc
Brake Description
Shimano GRX BR-RX810 flat mount hydraulic disc brakes
Cockpit
Stem
Seido Chase forged aluminium stem, 0°
Handlebar
Seido Tackle drop bar, 31.8 mm, 25° flare
Grips
Bombtrack Escape bar tape
Seat
Saddle
Bombtrack Dart saddle
Seatpost
Bombtrack Yew aluminium seatpost, 27.2 mm x 300 mm
Geometry
| Measurement | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.55 mm | 1.564 mm | 1.556 mm | 1.569 mm | 1.566 mm |
| Front Center | 588 mm | 603 mm | 618 mm | 633 mm | 652 mm |
| Rake | 53 mm | 53 mm | 53 mm | 53 mm | 53 mm |
| Trail | 64 mm | 64 mm | 61 mm | 60 mm | 60 mm |
| Stack | 558 mm | 577 mm | 593 mm | 612 mm | 631 mm |
| Reach | 360 mm | 369 mm | 381 mm | 390 mm | 403 mm |
| Top Tube Length | 520 mm | 534 mm | 558 mm | 572 mm | 597 mm |
| Seat Tube Angle | 73.9 ° | 73.9 ° | 73.5 ° | 73.5 ° | 73 ° |
| Seat Tube Length | 460 mm | 500 mm | 530 mm | 570 mm | 600 mm |
| Head Tube Angle | 70.9 ° | 70.9 ° | 71.5 ° | 71.5 ° | 71.5 ° |
| Head Tube Length | 110 mm | 130 mm | 150 mm | 170 mm | 190 mm |
| Chainstay Length | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm |
| Wheelbase | 1003 mm | 1018 mm | 1034 mm | 1049 mm | 1068 mm |
| Bottom Bracket Drop | 71 mm | 71 mm | 66 mm | 66 mm | 66 mm |
| Standover Height | 753 mm | 782 mm | 805 mm | 834 mm | 857 mm |
| Wheels | 650 | 650 | 650 | 650 | 650 |
| Rider Min Height | 156 cm | 163 cm | 171 cm | 179 cm | 185 cm |
| Rider Max Height | 166 cm | 174 cm | 182 cm | 189 cm | 195 cm |



























































