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The multiple award-winning Calibre Bossnut is back, and its better than ever! It features a full re-design, with new tubes, geometry and a massively upgraded spec. This is an introduction to mountain biking that will have you hooked from your first downhill.

Product code: 15903684 / 331527

Key Features

  • Frame: 6061 Alloy, 130mm rear wheel travel, 142 x 12mm bolt through
  • Forks: Rock Shox Recon RL 130mm - 42mm offset, Alloy tapered steerer
  • Chainset: SRAM SX Eagle Power Spline 32T
  • Front derailleur: SRAM SX Eagle
  • Rear derailleur: SRAM SX Eagle
  • Cassette: SRAM SX Eagle – PG1210
  • Brakes: SRAM Level T brakes with 180mm front and 160mm rear rotors
  • Shifters: SRAM SX Eagle
  • Rims: WTB ST i25 32H tubeless ready
  • Tyres: WTB Vigilante High Grip Comp 2.3" front and WTB Trail Boss Comp 2.25" rear
  • Stem: Calibre Trail 45mm
  • Bars: Calibre Trail 15mm offset – 30.9mm 350mm length
  • Headset: FSA Orbit tapered No. 57E
  • Seatpost: Calibre trail 30.9mm 350mm length
  • Saddle: WTB Volt Sport
  • Pedals: Platform resin test pedals
  • Colour: red
  • Small - 5'2" - 5'6" / Medium 5'5" - 5'10" / Large - 5'10" - 6'1" / XL 6' - 6'6"

**Some minor assembly is required. See our video (below the image) or consult our assembly guide for assistance.

Unfortunately we are not able to process faulty or warranty bike returns through our warehouse.  If your bike develops a fault please take it to your nearest GO Outdoors store where we have a full workshop and trained mechanics who will be able to assist you. 

Please note, this excludes Hathersage and Southport stores.

 

Mountain Bikes
View Blacks Label
Calibre
N
Red
Yes
UNISEX
100
100
RED

Delivery & Returns

Returns

You can return your bike within 28 days of delivery or collection for a refund or exchange, this can be done by returning it to our warehouse or taking it to your nearest GO Outdoors store where it will be returned free of charge. A refund will be issued once it is processed in to the warehouse. Unfortunately we are not able to accept bike returns at Blacks stores.

If your bike develops a fault please take it to your nearest GO Outdoors store (excluding Hathersage and Southport) where we have a full workshop and trained mechanics who will be able to assist you. If you believe there is a fault with your bike please do not send it back to our warehouse as they are unable to process faulty or warranty bikes.

This product qualifies for the following delivery methods

Standard UK Delivery (Up to 10 days) (FREE)

Available

A tracking link will be provided once your order is despatched.

Standard UK Delivery (Up to 10 days) (FREE)

Unavailable

A tracking link will be provided once your order is despatched.

Standard UK Delivery (Up to 10 days) (FREE)

Unavailable

A tracking link will be provided once your order is despatched.

Standard UK Delivery (Up to 10 days) (FREE)

Unavailable

A tracking link will be provided once your order is despatched.

Bike Delivery (Up to 10 days) (FREE)

Available

This applies to all bikes, and these orders are upgraded to a DHL courier service.

Next Day Delivery (£6.95)

Unavailable

Next day cannot be offered in the following areas, and will be attempted within 48 hours: BT (all Northern Ireland), GY, IM, JE, KW11-17, HS, PH32-35, ZE.

Collect from Store (FREE)

Unavailable

Premium Next Day Delivery (£6.95)

Unavailable

Next day cannot be offered in the following areas, and will be attempted within 48 hours: BT (all Northern Ireland), GY, IM, JE, KW11-17, HS, PH32-35, ZE.

Premium Express Delivery (£6.95)

Unavailable

A tracking link will be provided once your order is despatched.

International delivery

From £4.99 to over 200 countries worldwide. Some restrictions apply.

Reviews

Overall Rating

5.0 stars 5.0 / 5 (based on 3 Reviews)
Write a review
5 out of 5

Fantastic bike if your on a budget

Great entry level bike that will not break the bank. Good components and a bang on frame make for a great ride. If you want to get in to mountain biking and dont want to spend a fortune you will not go far wrong with this.

5 out of 5

Brilliant value with great spec

I bought this as an upgrade after realising the Forest of Dean is too much for a Specialized Hardtail.
The difference this bike makes is brilliant. Adjustable front and rear shockers, gear change in on side, great WTB tyre and wheels, effective brakes and a really cool designed frame.
If you love mountain biking but don't want to spend a fortune, this bike is brilliant.

5 out of 5

Great value bike, good quality and design/spec

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The Blacks Label signifies a tried and tested product that will not be beaten on price. It represents the pinnacle of performance and the greatest value. The Blacks Label range embodies the foundations of Blacks itself; the best gear, for the best value that is purpose built to get you out there. As a result, all 'Blacks Label' products are excluded from any promotional offer we may run on the website.