bixs Sign-EX 2025
Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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Travel Front 130mm
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Travel Rear 130mm
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Fork Fox Factory Float 34
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Groupset XT
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Suspension Full
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Motor Shimano 250W 85Nm mid-drive
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Battery DARFON, 36V, 630Wh
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Drivetrain 1 × 12
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Brakes Shimano XT Hydraulic Disc
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
E-TRAIL GEOMETRY, ALLOY 6061, 130mm TRAVEL, ALLOY ROCKER, DROPOUT 148x12mm BOOST, 29"
Suspension Fork
FOX 34 FLOAT FACTORY 29", KASHIMA, 15x110mm AXLE, TAPERED, FIT4, TRAVEL: 130mm, 3-POSITION LEVER
Rear Shock
FOX FLOAT DPS FACTORY, KASHIMA, LV, EVOL, 3 POS LEVER, 205x60, TRUNNION MOUNT, HARDWARE: 30mmx8mm
Drivetrain
Rear Derailleur
SHIMANO XT RD-M8100 SGS SHADOW PLUS DESIGN, 12-SPEED
Shift Levers
SHIMANO XT SL-M8100, DIRECT ATTACH TO BRAKE LEVER, ISPEC EV
Cassette
SHIMANO CS-M8100, 10-51 THEETH, 12-SPEED
Crank
SHIMANO FC-EM600, 34 TEETH
Chain
SHIMANO CN-M8100 12-Speed
Wheels
Front Hub
DT SWISS WHEELSET SPLINE HX-1501, 15x110mm THRU AXLE
Rear Hub
DT SWISS WHEELSET SPLINE HX-1501, 12x148mm BOOST, THRU AXLE
Rims
DT SWISS WHEELSET SPLINE HX-1501 TLR, INNER WIDTH 30mm, 29"
Tires
SCHWALBE WICKED WILL EVO SUPER TRAIL, ADDIX SPEEDGRIP, TL EASY, 29x2.4"
Brakes
Brakes
SHIMANO XT BR-M8120, 4-PISTON HYDRAULIC DISC BRAKE, RESIN PADS, F:203mm, R:180mm ROTORS, ICE TECH
Brake Levers
SHIMANO XT BL-M8100, ISPEC EV
Cockpit
Stem
RACE FACE TURBINE R, 0°ANGLE, 35mm CLAMP
Handlebar
RACE FACE TURBINE R, 780mm, 20mm RISE, 8° BACKSWEEP, 35mm
Headset
FSA NO.57E, 1-1/8" UPPER AND 1.5" LOWER BEARING WITH 12.3mm TOP COVER
Seat
Saddle
ERGON SM10 E-MOUNTAIN SPORT MEN
Seatpost
FOX TRANSFER FACTORY KASHIMA, S: 100mm, M & L: 125mm, XL: 150mm TRAVEL, REMOTE, 30.9mm
Motor & Battery
Motor
SHIMANO STEPS EP8, 250 WATT
Battery
DARFON, 36V, 630Wh
Fit data
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.551 mm | 1.545 mm | 1.492 mm | 1.44 mm |
| Bottom Bracket Height | 340 mm | 340 mm | 340 mm | 340 mm |
| Front Center | 728 mm | 734 mm | 755 mm | 775 mm |
| Rake | 48 mm | 47 mm | 48 mm | 46 mm |
| Trail | 114 mm | 115 mm | 114 mm | 116 mm |
| Stack | 633 mm | 638 mm | 643 mm | 648 mm |
| Reach | 408 mm | 413 mm | 431 mm | 450 mm |
| Top Tube Length | 590 mm | 595 mm | 615 mm | 635 mm |
| Seat Tube Angle | 74 ° | 74 ° | 74 ° | 74 ° |
| Seat Tube Length | 406 mm | 445 mm | 480 mm | 530 mm |
| Head Tube Angle | 66 ° | 66 ° | 66 ° | 66 ° |
| Head Tube Length | 135 mm | 140 mm | 145 mm | 150 mm |
| Chainstay Length | 470 mm | 470 mm | 470 mm | 470 mm |
| Wheelbase | 1196 mm | 1202 mm | 1223 mm | 1243 mm |
| Bottom Bracket Drop | 34 mm | 34 mm | 34 mm | 34 mm |
| Wheels | 29" | 29" | 29" | 29" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
