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Hydraulic disc brakes: Greater efficiency

Rockrider 520 Mountain Bike

Designed for The Rockrider 520 hardtail MTB from b'Twin is a fantastic value for money mountain bike. With it's lifetime warranty 6061 alloy frame and excellent spec it really is built to last and will always put a smile on your face. The XCR lockout forks and Tektro AURIGA Comp 160 mm hydraulic disc brakes will keep you in control and added to the Shimano Acera 27 speed gears you can be confident that many miles of mountain biking on the trails will be fully rewarded. To view our full range visit our mountain bikes category.

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Reference : 8293188
Frame BTWIN SPORT MTB frame, in strengthened, 6061 aluminium.
Sports geometry, perfect for intensive mountain biking.
Fork Rockrider XCR 100 mm lockout fork by SR Suntour.
Lightweight and durable hydraulic fork cartridge. Preload adjuster and lockout.
100 mm travel.
Magnesium fork blades.

The damper finish ensures long-lifetime.
Suspension No rear suspension.
Drive train MIRANDA BETA BLACK aluminium 22x32x42 crankset;
Shimano X50 or Microshift M30 front derailleur;
Shimano ACERA rear derailleur;
Shimano ACERA 9-speed shifters;
SRAM PC951 chain;
PG950 9-speed cassette 11 X 32.
Brakes AURIGA Comp 160 mm, hydraulic disc brakes at the front and rear for greater braking power and precision, even in extreme conditions (e.g. mud).
Handlebars Rockrider SPORT handlebars with oversized diameter: oversized diameter for greater stiffness and more accurate steering.
Width from 600 mm (S) to 640 mm (M, L and XL).
Stem Oversized Rockrider SPORT stem (oversized diameter), with a 6° rise. Length: 90 mm (S), 100 mm (M) and 110 mm (L and XL).
Steering Aheadset Rockrider SPORT headset, 1⅛".
Saddle Rockrider SPORT LIGHT saddle.
Seat post Rockrider SPORT seat post: diameter 29.8 mm, length 350 mm.
Wheels RIGIDA SPHINX 32-hole, double-walled rims.
Watertight Formula DC19/DC22 disk ready hubs,
2 mm diameter stainless steel spokes: impact and corrosion-resistant.
Tyres Hutchinson Python tyres with versatile profile: a market benchmark.
Pedals Wellgo MTB platform pedals with toe-clip for holding the foot firmly in place.
Accessories Possibility to add accessories (bottle cage, mudguards, bag under the saddle, pannier rack at the rear, etc.).
Weight 13.4 kg in size S without pedals.
Electric assistance No electric assistance.
Guarantee : Frame, handlebars and stem have a lifetime warranty. 2-year warranty for parts (excl. wearing parts)