2021 Boardman SLR 8.9 Carbon

A carbon frame race bike with upper mid-range components and rim brakes, priced near the low end of the SLR model range. Compare the full range

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2021 Boardman SLR 8.9 Carbon
MSRP£1,100 (about $1,549)
Weight19.6 lbs
FrameCarbon
ForkCarbon
Wheels700c
Drivetrain2 × 11
Groupset105, FSA
BrakesRim
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Gearing

2 × 11 — 22 speed

SLR 8.9 Carbon

39 mph

Similar Bikes

40 mph

The SLR 8.9 Carbon is easier to ride up hills than similar bikes.

The SLR 8.9 Carbon is geared about the same as similar bikes for riding downhill.


Estimated Spec Level

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

Spec level →$0$200$400$600$800$1,000$1,200$1,400
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Reviews

October 2020

road.cc
Boardman SLR 8.9 Carbon 2021

Fast and fun thanks thanks to a great frameset and impressive spec list – especially for the money

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July 2021

BikeRadar
Boardman SLR 8.9 review

Carbon frame and Shimano 105 in a quality all-round package

Read Full Review

January 2021

Cyclist
Boardman SLR 8.8 road bike review

The Boardman SLR 8.8's well thought-out spec leads to a ride that surpasses its budget pricetag

Read Full Review

September 2020

Cycling Weekly
Boardman SLR 8.9 Women’s Carbon

Comfort, clearance and versatility are what makes this aero, lightweight women’s carbon road bike very attractive

Read Full Review


Geometry

Sizing
SM

5'6" – 5'11"

MD

5'9" – 6'1"

LG

5'11" – 6'3"

XL

6'1" – 6'5"


Specs
Build
Frame

C7 Carbon - Aero-Optimised

BB StandardBB86/BB92, press-fit

Fork

C7 Carbon with tapered steerer

Bottom Bracket

FSA BB-CF86/CZ Pressfit for MegaExo Chainset

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

Groupset
Rear Derailleur

Shimano 105 11 speed

Front Derailleur

Shimano 105 braze- on

Crank

FSA Gossamer Compact 50-34

Shifters

Shimano 105 2x11

Cassette

Shimano CS-R7000 11 speed, 11-30

Chain

KMC X11

Brakes

Tektro R315, long arm

Wheels
Rims

Boardman Alloy Tubeless Ready

Spokes

Double Butted Stainless Steel, Radial front, 2X rear

Front Hub

Formula RB-51 front, RB-5711 rear

Rear Hub

Formula RB-51 front, RB-5711 rear

Tires

Vittoria Zaffiro Pro G2.0 folding, 700x25c

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2021 Boardman SLR 8.9 Carbon
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