Boardman SLR 8.9 Carbon 2025 - Road Bike











This SLR 8.9 features Shimano's Tiagra 4700 groupset, offering a smooth 10-speed drivetrain for reliable and precise shifting. With a compact crankset and wide gear range, it provides the perfect gear range for climbing, descending and everything in between.
Occasionally, without notice, manufacturers change product design and/or specifications.
Frame | Boardman C7 Carbon |
Fork | Boardman C7 Carbon |
Headset | ACROS INTEGRATED |
Stem | Boardman Alloy, 80mm(XS) 90mm(S) 100mm(M) 110mm(L) 120mm(XL) -7 degree rise |
Bars | Boardman Alloy, 380mm(XS,S) 400mm(M,L) 420mm(XL) 6 degree flare |
Front Brake | Shimano Tiagra BR-4770 Hydraulic Disc, 160mm Rotor |
Rear Brake | Shimano Tiagra BR-4770 Hydraulic Disc, 160mm Rotor |
Brake Lever | SHIMANO TIAGRA ST-4720 |
Front Mech | Shimano FD-4700 Double, Braze-on |
Rear Mech | Shimano RD-4700, 10-Speed |
Shifters | Shimano Tiagra ST-4720, 2x10-Speed |
Speed | 20 |
Rims | Boardman RD Alloy SLR, Tubeless Compatible |
Front Tyre | Goodyear Eagle Sport, 700 x 30mm |
Rear Tyre | Goodyear Eagle Sport, 700 x 30mm |
Seat Post | Boardman Alloy, 27.2mm x 300mm(XS,S) 350mm(M,L) 400mm(XL) |
Saddle | Boardman SLR Road |
Chainset | Shimano FC-4700 50/34 Tooth, 165mm(SS) 170mm(S,M) 172.5mm(L,XL) |
Bottom Bracket | PF30 86.5mm |
Chain | KMC X10, 10-speed |
Cassette | Shimano CS-HG500 11-34 Tooth, 10-Speed |
Pedals | Resin with Toe Clips |
Weight | 9.4 kg |
Boardman SLR 2025 Size Chart
Size |
Height (cm) |
Height (inches) |
Inside Leg (cm) |
S |
170 – 179 |
5’6” – 5’10” |
74 – 82 |
M |
177 – 183 |
5’9” – 6’0” |
78 – 85 |
L |
181 – 189 |
5’11” – 6’2” |
82 – 89 |
XL |
187 - 195 |
6’1” – 6’5” |
86 - 94 |
What size frame do I need if I am between sizes? - read here
Boardman SLR 2025 Geometry Chart
Size | XS | S | M | L | XL |
---|---|---|---|---|---|
Stack | 537 | 548 | 563 | 577 | 593 |
Reach | 371 | 378 | 388 | 394 | 404 |
Head Tube Length | 126 | 138 | 151 | 166 | 183 |
Head Tube Angle | 71° | 72° | 72.5° | 72.5° | 72.5° |
Bottom Bracket Drop | 74 | 70 | 70 | 70 | 70 |
Chainstay Length | 410 | 410 | 412 | 412 | 412 |
Top Tube Length (horizontal) | 525 | 540 | 555 | 570 | 585 |
Seat Tube Length | 465 | 485 | 500 | 525 | 545 |
Seat Tube Angle | 74° | 73.5° | 73.5° | 73° | 73° |
Crank Length | 165 | 170 | 170 | 172.5 | 172.5 |
Stem Length | 80 | 90 | 100 | 110 | 120 |
Handlebar Width | 380 | 380 | 400 | 400 | 420 |
All measurements are in mm unless otherwise stated.
The above table shows the standard geometry for the bicycle as shipped, other geometry configurations may be available with certain bikes. Please contact us via Live Chat to find out more.
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Boardman SLR 8.9 Carbon 2025 - Road Bike
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