Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame aluminium -
Wheels 700c -
Groupset GRX 800 -
Suspension Rigid -
Drivetrain 1 × 11 -
Brakes Hydraulic Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Aluminium
Suspension Fork
Carbon
Drivetrain
Rear Derailleur
SHIMANO GRX RD-RX812 Shadow Plus
Shift Levers
SHIMANO GRX ST-RX810
Cassette
SHIMANO Deore CS-M5100 11-42T
Crank
SHIMANO GRX FC-RX810 42T
Bottom Bracket
SHIMANO Ultegra SM-BB72-41B Press-Fit
Chain
SHIMANO CN-HG601-11
Wheels
Front Hub
FORMULA CL-712
Rear Hub
FORMULA CL-712
Rims
BULLS XC-21 Evo tubeless ready
Tires
color platinum blue: Vee Tire Rail Sport grey Tubeless ready / color rainbow petrol: SCHWALBE G-One Ultra Bite Performance Race Guard TLE
Brakes
Brakes
Hydraulische Scheibenbremse
Brake Levers
SHIMANO GRX ST-RX810-LA
Cockpit
Stem
MTB-SL, CCS Slot Mount ready
Handlebar
BULLS Gravelbar double butted
Headset
FSA Orbit
Seat
Saddle
BULLS
Seatpost
LIMOTEC Alpha 1 Light dropper post, 100 mm travel
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 49cm | 52cm | 58cm | 61cm | 55cm |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.41 mm | 1.48 mm | 1.55 mm | 1.63 mm | 1.5 mm |
| Bottom Bracket Height | 269 mm | 269 mm | 274 mm | 274 mm | 274 mm |
| Front Center | 618 mm | 621 mm | 653 mm | 661 mm | 636 mm |
| Trail | 85 mm | 79 mm | 80 mm | 67 mm | 80 mm |
| Stack | 550 mm | 580 mm | 630 mm | 665 mm | 600 mm |
| Reach | 390 mm | 392 mm | 406 mm | 407 mm | 400 mm |
| Top Tube Length | 541 mm | 557 mm | 597 mm | 615 mm | 676 mm |
| Seat Tube Angle | 74 ° | 74 ° | 73 ° | 72 ° | 73 ° |
| Seat Tube Length | 490 mm | 520 mm | 580 mm | 610 mm | 550 mm |
| Head Tube Angle | 69 ° | 70 ° | 70 ° | 71 ° | 70 ° |
| Head Tube Length | 110 mm | 138 mm | 196 mm | 240 mm | 164 mm |
| Chainstay Length | 445 mm | 445 mm | 445 mm | 445 mm | 445 mm |
| Wheelbase | 1050 mm | 1053 mm | 1087 mm | 1095 mm | 1070 mm |
| Bottom Bracket Drop | 80 mm | 80 mm | 75 mm | 75 mm | 75 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 |
Model Overview
Trail Grinder completes the Bulls Trail model. BULLS launched 2 bikes of this model so far.
Safety
When you go for a ride, don’t forget to put your helmet on. Moreover, ride with traffic, not against it. This will help you stay visible to drivers and also makes it easier for them to see you.
Gravel bikes average price
Our math shows that the average cost of a dependable Gravel bike is 2462$. However, you could also get a good Gravel bike even if you pay a lower amount than the average price. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Furthermore, this bike was made available in 2022 for 2547$. If we compare this with the average Gravel bike cost we notice that the price is 3.45% higher.
Overview of components
Fork material
Trail Grinder has a carbon fork, so, its weight is considerably lighter than one made out of steel. However, they cost a bit more than steel forks.
Wheels
The wheels on Trail Grinder are the 700c aluminum type. These wheels are the most used kind for road bikes in general. However, while they give you great speed and control, these wheels are not so bump-friendly.
Brakes
Nothing is more important on a bike than its ability to brake properly. BULLS Trail Grinder is equipped with Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, you can ride your bike with confidence.
Dropper post
BULLS Trail Grinder comes with a dropper post. Needless to say, a dropper post will come in handy on climbs and descends. You’ll fall in love with it at first sight!