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2025 Boardman

SLR 8.9 Disc Di2

A carbon frame race bike with upper mid-range components and shimano 105 hydraulic disc brakes.

Manufacturer Price

£2,800($3,757)
Weight19.6 lbs  
FrameCarbon
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 12 Electronic
Groupset105 Di2
BrakesShimano 105 Hydraulic Disc
View on boardmanbikes.comLearn about Boardman
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
SLR 8.9 Disc Di2
Other Race 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)

39 mph

SLR 8.9 Disc Di2

40 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

5'6" – 5'11"

MD

5'9" – 6'1"

LG

5'11" – 6'3"

XL

6'1" – 6'5"

Rider Fit Notes
  • 5'10", size MD, Just right
Reviews
BikeRadar
Boardman SLR 9.4 Ltd review: without doubt 2025’s best-value performance endurance bike | BikeRadar

Aug 2025 · Warren Rossiter

The new Boardman SLR 9.4 Ltd is one of the best-value bikes we’ve seen in 2025.

Highs
  • Balanced handling

  • Incredible value

  • Well thought out design

Lows
  • Cassette could use smaller gears

Read Review

road.cc
Boardman SLR 9.6 Disc

Apr 2023 · Stu Kerton

Not the most exciting ride, but great for travelling fast in comfort

Highs
  • Comfortable ride

  • Good value

  • Good spec for the money

Lows
  • Bit of fork flex possible

Read Review

Geometry
Specs
Build
Frame

C8 Endurance Carbon - Aero-Optimised

BB StandardBB86/BB92, Press Fit

Fork

C8 Endurance Carbon Disc with tapered steerer

Bottom Bracket

Shimano Press Fit

Headset

FSA Orbit C-40 ACB, 1 1/8” - 1.5” Tapered, Integrated.

Stem

Boardman Alloy, 31.8mm clamp

Handlebar

Boardman Alloy, 31.8mm clamp, 70mm reach, 120mm drop

Saddle

Boardman SLR

Seatpost

Boardman Alloy, 27.2mm

TypeRigid

Pedals

Toe strap road, 9/16”

Groupset
Rear Derailleur

Shimano 105 Di2 R7170 12 speed

Front Derailleur

Shimano 105 Di2 braze- on

Crank

Shimano 105 R7100 50-34

Shifters

Shimano 105 Di2 2x12

Cassette

Shimano CS-R7100 12 speed, 11-34

Chain

Shimano CN-M6100

Brakes

Front: Shimano 105 Hydraulic Disc Brake - 160mm Rotor, Rear: Shimano 105 Hydraulic Disc Brake - 160mm Rotor

TypeShimano 105 Hydraulic Disc

Wheels
Rims

Boardman Tubeless Ready 28h front & rear

Spokes

Double Butted Stainless Steel, Radial front, 2X rear

Front Hub

Formula 100mm x12mm Front / 142mmx12mm Rear

Rear Hub

Formula 100mm x12mm Front / 142mmx12mm Rear

Tires

Vittoria Rubino Pro G2.0 folding, 700x28c

Rider Notes
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First added February 9

Last updated February 22

Not listed for 470 days