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2025 Trenga

KSM 7.9

A 29″ carbon frame full suspension crosscountry bike with high-end components.
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Manufacturer Price

€2,399($2,791)
Weight23.6 lbs  
FrameCarbon
SuspensionFull, 92 / 100mm
ForkRockShox Reba
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetXT
BrakesShimano XT Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
KSM 7.9
Other Crosscountry bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

29 mph

KSM 7.9

27 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Sizing
SM

5'2" – 5'7"

MD

5'6" – 5'11"

LG

5'9" – 6'2"

🐐 Estimated

Rider Fit Notes

None yet.

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Price History
Geometry
Specs
Build
Frame

Full carbon monocoque, bottom bracket: press-fit 92 mm, axle mount: thru-axle 12x148 mm, tire clearance: 60 mm, cable routing: partially integrated, brake: post mount 160 mm

BB StandardBB86/BB92, Press Fit

Fork

RockShox Reba RL, axle mount: 15x110 mm thru-axle, steerer tube: 1 1/8" to 1.5", travel: 100 mm, suspension: Solo Air air spring, damping: MotionControl/remote lockout, max. tire width: 62 mm

Travel100mm

Spring TypeAir

Bottom Bracket

Shimano BB-MT800, High stiffness thanks to HOLLOWTECH II, High-quality sealed bearings, Press-fit installation (41x24 mm)

Stem

TRENGA rigid aluminum, length: depending on frame size, steerer clamp diameter: 28.6 mm, handlebar clamp diameter: 31.8 mm, angle: ± 6°

Handlebar

TRENGA, width: 760 mm, handlebar clamp Ø: 31.8 mm, backsweep: 11°

Saddle

Selle Italia SLR Boost, For long distances and racing, Comfortable Soft-Tek polyurethane cover, Anatomically neutral shape

Seatpost

TRENGA rigid aluminum, diameter: 31.6 mm, length: 400 mm, clamping: 2-way, offset: 10 mm

TypeRigid

Groupset
Crank

Shimano Deore XT FC-M8100-1, 34 teeth, crank length: 170 mm or 175 mm, depending on frame size, Q-factor: 172 mm, lightweight and stiff thanks to HOLLOWTECH II design

Shifters

Shimano Deore XT RD-M8100 SGS, Shadow RD Plus design for optimal chain guidance, fast, smooth shifting, silent drivetrain in every gear position, more efficient, ball-bearing pulley wheels, largest sprocket max. 51 teeth

Cassette

Shimano Deore XT CS-M8100, 12-speed HYPERGLIDE+, gear ratios: 10-12-14-16-18-21-24-28-33-39-45-51, lightweight BEAM SPIDER design, for MICRO SPLINE freehub

Chain

Shimano CN-M8100, 12-speed HYPERGLIDE+, SIL-TEC coating and chrome-plated for longer durability

Chain Guide

Shimano SM-CD800, Improved chain retention on the front chainring, Optimized for new generation chains, Easy adjustment with screw, Lightweight

Brakes

Shimano Deore XT M8100 / M8120, Hydraulic disc brake, Powerful and finely adjustable thanks to Servo-Wave, Variable I-SPEC EV mounting, Tool-free reach adjustment, Brake lever: BL-M8100 2-finger, Rear brake: BR-M8100 2-piston, Rear brake pad: G05A-RX Resin, Front brake: BR-M8120 4-piston, Front brake pad: N03A-RX Resin with cooling fins

TypeShimano XT Hydraulic Disc

Wheels
Rims

Ryde Edge 26OS Disc, stiffer and more stable thanks to asymmetric cross-section, lightweight and durable, 32 holes, tubeless ready, ETRTO: 26-622

Spokes

Sapim Race, Material: Stainless steel, Diameter: 2.0 / 1.8 / 2.0 mm, Color: Black

Tires

Schwalbe Racing Ray Classic Skin, size: 29x2.25, XC-optimized, offset center knobs for precise steering and high braking performance, excellent rolling resistance and cornering grip, ADDIX Speed Compound for optimal rolling resistance, tubeless easy

Rider Notes
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First added October 4

Last updated May 23