Boardman CXR 8.9 2023 - Cyclocross Bike
Unleash your inner racer with the Boardman CXR 8.9 Apex Mens Cyclocross Bike. The durable aluminium CXR frame has an aggressive geometry and is paired with full carbon forks to save weight and help you get up to race speed. Sram Apex 1x11 gearing system is low maintenance and ready for the muddiest of terrains and Sram Apex hydraulic disc brakes will also perform well when you get to those tricky corners and descents. Lightweight Boardman wheels come here with the credible Clement Crusade PDX tyres as standard so you’ll gain plenty of kudos from other cross racers.
Key Features:
- Frame: Aluminium alloy CXR frame
- Forks: Full carbon forks for better comfort and weight saving
- Gears: 1x11 Sram apex is simple, reliable and low maintenance ready for the muddiest of tracks.
- Brakes: Sram Apex hydraulic disc brake, flat mount, 160mm rotor
- Wheels: 700c Boardman wheels and industry favourite, Clement Crusade PDX tyres
All Tredz bikes are:
- Fully built & ready to ride
- Fully checked & tested by Cytech qualified mechanics
- Available with 0% APR finance on baskets over £99
- 365 day no hassle returns
- Free delivery in the UK Mainland on a date that suits you
In the box with every Tredz bike is:
- Free Tredz 9 key trail tool
- Free Tredz pedal spanner
- Free basic pedals
- Tredz drawstring kit bag
- 16 point quality control check sheet
- Basic bike setup instructions
- Free Cycle Plan insurance voucher (8 weeks)
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | 7005 Alloy, smooth welded, CX Race geometry |
| Fork | Full carbon blades and steerer, tapered |
| Headset | FSA Orbit C-40 ACB, 1 1/8" - 1.5" tapered, integrated, 15mm top cover + 1x10mm and 3x5mm spacers. |
| Stem | Boardman Alloy, 31.8mm clamp. Length: S - 90mm, M/L - 100mm, XL - 110mm |
| Bars | Boardman Alloy, 31.8mm clamp, 70mm reach, 120mm drop. Width: S - 400mm, M - 420mm, L/XL - 440mm |
| Front Brake | Sram Apex hydraulic disc, flat mounts, Sram 160mm rotors |
| Rear Brake | Sram Apex hydraulic disc, flat mounts, Sram 160mm rotors |
| Brake Lever | Sram Apex Hydraulic |
| Rear Mech | Sram Apex, long cage |
| Shifters | Sram Apex Hydraulic levers, 11 speed |
| Speed | 11 |
| Rims | Boardman assymetric adventure rims, tubeless compatible, 25mm outer width, 20mm inner width. |
| Front Hub | Formula QR 32H |
| Rear Hub | Formula QR 32H |
| Front Tyre | Clement Crusade PDX, 60tpi, 700x33c, wire bead |
| Rear Tyre | Clement Crusade PDX, 60tpi, 700x33c, wire bead |
| Seat Post | Boardman Alloy, 31.6 x 350mm |
| Chainset | Sram Apex, X-Sync 44t, PF30. Crank length: S - 170mm, M/L/XL - 175mm |
| Bottom Bracket | Sram PF30 |
| Chain | Sram PC1110 |
| Cassette | Sram PG1130, 11-42t, 11 speed. (11-13-15-17-19-22-25-28-32-36-42) |
| Pedals | Wellgo alloy with straps, 9/16" |
Cyclocross Bike Size Guide
See the table below to find the right size.
Cyclocross Bike Sizing
XXS (44)
4'8"
5'1"
XS (48)
5'1"
5'4"
S (51)
5'4"
5'7"
M (54)
5'7"
5'10"
L (56)
5'10"
6'0"
XL (58)
6'0"
6'3"
XXL (60)
6'3"
6'5"
XXXL (62)
6'5"
6'9"
Read our bike size guide for more information on sizing.
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Height |
Size |
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4’8” / 143cm |
44 (XXS) |
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4’9” / 145cm |
44 (XXS) |
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4’10” / 148cm |
44 (XXS) |
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4’11” / 150cm |
44 (XXS) |
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5’0” / 152cm |
44 (XXS) |
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5’1” / 155cm |
44 (XXS) |
48 (XS) |
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5’2” / 158cm |
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48 (XS) |
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5’3” / 160cm |
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48 (XS) |
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5’4” / 163cm |
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48 (XS) |
51 (S) |
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5’5” / 165cm |
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51 (S) |
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5’6” / 168cm |
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51 (S) |
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5’7” / 170cm |
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51 (S) |
54 (M) |
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5’8” / 173cm |
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54 (M) |
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5’9” / 175cm |
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54 (M) |
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5’10” / 178cm |
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54 (M) |
56 (L) |
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5’11” / 180cm |
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56 (L) |
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6’0” / 183cm |
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56 (L) |
58 (XL) |
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6’1” / 185cm |
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58 (XL) |
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6’2” / 188cm |
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58 (XL) |
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6’3” / 191cm |
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58 (XL) |
60 (XXL) |
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6’4” / 193cm |
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60 (XXL) |
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6’5” / 196cm |
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60 (XXL) |
62 (XXXL) |
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6’6” / 198cm |
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62 (XXXL) |
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6’7” / 201cm |
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62 (XXXL) |
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6’8” / 203cm |
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62 (XXXL) |
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6’9” / 205cm |
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62 (XXXL) |
Read our bike size guide for more information on sizing.
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Boardman CXR 8.9 2023 - Cyclocross Bike
Great bike for the price . Hydraulic brakes and tubeless wheels are a bonus at this price level . Not the lightness but perfectly good enough .
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