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Cube Attention SL Mountain Bike Black/Grey (2021)

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Free Bike Build

Free Bike Build
We'll build your bike for free when you click and collect at any 99 Bikes store.

First Free Service

First Free Tune-up
Every bike come with a complimentary free tune-up and safety check.

Please note, due to challenges in the product supply chain, bike specifications are subject to change without notice. Specifications listed below may not match exactly as shown in the photo.

The Cube Attention SL Hardtail Mountain Bike is built to be an aggressive hardtail which can hit the trails with speed. The lightweight High Performance Aluminium frame with internal cable routing sets a high standard, weighing in at just 13.5kg. The frame is matched with a RockShox Judy Silver TK Air Fork with 100mm travel to handle descents with speed and a touch of comfort. The Attention is a smooth mover thanks to the brand new 1x12 Speed Shimano Deore Drivetrain which offers crisp performance and the range of gears to climb efficiently. 1x drivetrains are the gold standard for mountain biking with their simplicity and reliability you can really get the most out of every ride

You can ride with confidence on the Attention thanks to the reliable Shimano MT200 Hydraulic Disc Brakes which offer excellent stopping power and control. This bike rolls on the 29” Schwalbe Smart Sam Tyres (except for Size SM, which has 27.5-inch wheels) which combine grip with speed for a trail ready ride. The Cube Attention Hardtail Mountain Bike is a nice step up up from the 2x10 speed Cube Attention, with the same great frame and design, but the 1x12 speed drivetrain really does make a difference and makes this the perfect bike for someone who wants a quality hardtail.


  • High Performance Aluminium Frame
  • RockShox Judy Silver TK Air Fork - 100mm Travel
  • 1x12 Speed Shimano Deore Drivetrain
  • Shimano MT200 Hydraulic Disc Brakes

Wheel Sizing

Please note the Attention SL comes in a 27-inch wheel and a 29 inch-wheel depending on the size of the bike

  • Size SM: 27.5-inch wheel
  • Size MD: 29-inch wheel
  • Size L: 29-inch wheel
  • Size XL: 29-inch wheel.
More Information
SKU 21CubeAttentionSLblackngrey
Season 2021
Click & Collect Yes
Wheel Size 29" / 27.5"
Frame Material Alloy
Groupset Brand Shimano
Groupset Shimano Rapidfire
Cassette Type 12 Speed
Fork Brand RockShox
Chainset Type Single
Brake Type Hydraulic Disc Brake
Front Travel 100mm
Brakes Shimano BR-MT200, Hydr. Disc Brake (180/160)
Cassette Shimano Deore CS-M6100, 10-51T
Chain Shimano CN-M6100
Crankset Shimano FC-MT511, 32T, Boost
Derailleur Rear Shimano XT RD-M8100-SGS, ShadowPlus, 12-Speed
Fork RockShox Judy Silver TK AIR, 100mm, PopLoc
Frame Aluminium Lite, AMF, ARG, Internal Cable Routing, Easy Mount Kickstand Ready, Tapered Headtube, PressFit BB
Grips CUBE Performance Grip
Handlebar CUBE Rise Trail Bar, 680mm
Hubs Shimano FH-MT401, QR, Centerlock
Rims CUBE ZX20, 32H, Disc
Saddle Natural Fit Venec Lite
Seatpost CUBE Performance Post, 27.2mm
Shifters Shimano Deore SL-M6100, Rapidfire-Plus
Tyres Schwalbe Smart Sam, Active, 2.25
Speeds 1 x 12
Sizing SKUs SM: CUHT2149805016, MD: CUHT2149805017, LG: CUHT2149805019, XL: CUHT2149805021

Cube Attention Sizing Chart

Rider's Height (cm)

Hardtail Mountain Bike Geometry Diagram


ST Seat Tube

TT Top Tube

CS Chain Stay Length

HTA Head Tube Angle

STA Seat Tube Angle

BD Bottom Bracket Drop

HT Head Tube

FL Fork Length

R Reach

S Stack

WB Wheel Base


Wheel Size 29" / 27.5" - - -
Frame Size 16 17 19 21
ST Seat Tube (mm) 405.0 420.0 470.0 515.0
TT Top Tube (mm) 561.0 575.0 595.0 615.0
CS Chain Stay Length (mm) 427.0 450.0 450.0 450.0
HTA Head Tube Angle (°) 69.0 69.0 69.0 69.0
STA Seat Tube Angle (°) 74.0 74.0 74.0 74.0
HT Head Tube (mm) 109.0 109.0 120.0 130.0
R Reach (mm) 384.0 391.0 407.0 425.0
S Stack (mm) 598.0 623.0 633.0 642.0
WB Wheel Base (mm) 1063.0 1105.0 1125.0 1146.0


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