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Calibre Bossnut Ladies Mountain Bike

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Retail Price £1,300.00Was £999.00SAVE20%
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A superb ladies version of Calibre's award-winning full-suspension mountain bike, designed and built specifically for women - available exclusively at GO Outdoors.

MBR's Bike of the Year 2015 attracted praise from both newcomers and experienced riders alike, and building on this Calibre have produced the equally impressive Calibre Bossnut Ladies. Built around the original geometry, with the addition of women's specific components and suspension tuning, it still gives the same confidence-inspiring stability whilst being able to respond sharply to aggressive riding.

This full-suspension bike will help you conquer those rough, steeper terrains that a hardtail simply can't handle, giving you plenty of scope for future upgrading as your riding progresses.

It has a double-butted aluminium frame with a smooth-welded front triangle and a single pivot swing arm designed around 130mm travel platform, giving an ideal amount of suspension for all-round trail riding.

The RockShox Sektor Silver Solo Air fork and the Monarch R rear shock, now with a specific set up to offer plush air-sprung suspension with rebound adjustment, the front fork being lockout-equipped for efficient pedaling when suspension isn't required. The rear shock maintains traction over rough ground, giving you greater control of your bike and letting you power through terrain that would previously have you grabbing your brakes.

The full Shimano Deore 2x10 groupset includes a clutch-equipped Shadow+ rear mech for improved chain retention, rugged enough to take serious trail abuse whilst still providing precise, efficient performance. The Shimano hydraulic disc brakes, and their integrated I-spec lever design, bolts together with the gear levers for a tidy, easy-to-use cockpit. The crank lengths have been shortened to a women's appropriate length.

Deore hubs and tubeless-ready WTB ST i23 rims continue the upgrading theme, allowing you to make the move to tubeless tyres with a minimum of fuss. The WTB Vigilante sits on the front wheel to provide extra control and grip while cornering, while the Bee Line's lower tread keeps the rear wheel rolling fast.

Ritchey provide their famous high-quality aluminium components for the seatpost, stem and handlebars now with narrower grips for women's hands and women's specific bar widths. Upgraded for the female rider with WTB Speed She saddle for increased comfort.

Available in sizes 15, 17 and 19 (subject to stock availability) - Please check the info tab for geometry details


Wheel Size: 650B
Frame: 6061 aircraft grade hydroformed alloy frame with smooth welded front triangle, tapered headtube and 130mm rear travel
Fork: Rock Shox Sektor Silver, Rock Shox Sektor Silver 130mm travel with tapered alloy steerer and 15mm bolt through maxle
Gear Details: Shimano Deore 10 speed
Gear Shifters: Shimano Deore 2 x 10 speed iSpec
Front Derailleur: Shimano Deore 2 x 10 speed
Rear Derailleur: Shimano Deore 10 speed Shadow Plus, Shimano Deore Shadow Plus
Chainset: Shimano Deore 38x26T
Brakes - Type: Hydraulic Disc
Brakes - Details: Shimano M506 levers with M447 calipers, Shimano 180mm centre lock front rotor and Shimano 160mm centre lock
Brakes - Levers: Shimano M506, Shimano M506 levers
Rims: WTB ST i25 32H tubeless ready
Tyres: WTB Vigilante 2.3” front, WTB Bee Line 2.2” rear
Front Hub: Shimano Deore 15mm bolt through centre lock 32H
Rear Hub: Shimano Deore QR centre lock 32H
Stem: Ritchey 4 Axis
Saddle: WTB Speed She
Handlebar: Ritchey MTN Trail (740mm for 15.5" and 17.5", 760mm for 19.5") 20mm rise with 28mm diameter grips
Head Set: FSA Orbit tapered full sealed cartridge bearing
Bottom Bracket: Shimano Hollowtech 2
Pedals: Alloy platform pedal
Speed: 20
Weight (kg): 14.5
Seatpost: Ritchey 2 bolt 30.9mm, 350mm
Cassette/Freewheel: Shimano Deore 11-36T
Rear Shock: Rock shox Monarch R 190x51mm with lighter tune
Recommended Use: Cycling
Gender: Womens


Bossnut Geometry  

 15.5" 17.5" 19.5"
Seat Tube  395mm 445mm 495mm
Effective Top Tube   572mm 585mm 607mm
BB Drop  18mm 18mm 18mm
Rear Centre  436mm 436mm 436mm
Seat Angle  73.5° 73.5° 73.5°
Head Angle  67°
67° 67°
Head Tube Length  110mm 115mm 125mm


Calibre Bossnut Ladies Mountain Bike
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