B'TWIN Rockrider 520 Mountain Bike Bundle, Light Grey - 27.5" £219 Decathlon - HotUKDeals
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B'TWIN Rockrider 520 Mountain Bike Bundle, Light Grey - 27.5" £219.00 Decathlon

£219.00 @ Decathlon
Good price for a well made entry level bike . All new 27.5" mountain bike. Designed around the 650b format, this b'Twin Evo alloy frame delivers great performance at an exceptional price. The speci… Read More
colgrigson Avatar
8m, 1w agoFound 8 months, 1 week ago
Good price for a well made entry level bike

. All new 27.5" mountain bike. Designed around the 650b format, this b'Twin Evo alloy frame delivers great performance at an exceptional price. The specific geometry and sizing is both comfortable and dynamic with great attention to detail.

Hayes MX5 disc brakes, full SRAM 24 speed groupset, double walled aero 650b wheels and adjustable Suntour XCT forks lets you glide over rough terrain and stop with ease in all weather conditions.

b'Twin has totally redesigned all the contact points on this bike. The innovative stem can be modified to suit your riding style, the Ergo fit saddle reduces pressure points and the seat post is more flexible.

This rockrider mountain bike comes with 6 accessories as standard: Water bottle, bottle cage, hand pump, saddle bag, an extra inner tube and 3 tyre levers.


Frame
Rockrider CGF Evo (Comfort Geometry Frame) 6061 aluminium frame for 27.5" wheels.
Comfortable seating position thanks to raised steering.
Seat is 5 times more flexible than a standard frame thanks to a narrow 27.2 mm seat post.
Low bottom bracket: helps keep the mountain bike stable in turns, and makes it easier to place foot on the ground.
Open steering angle (69.5°): keeps mountain bike stable while riding.
Short rear wheel base: bike is easy to turn.
2
Fork
Suntour XCT 80 fork with 80 mm travel and adjustable fork stiffness (+ / -).
3
Suspension
No rear suspension.
4
Drivetrain
SRAM S200 triple-chainring chainset (22/32/42 teeth).
SRAM X3 8-speed rear derailleur.
Microshift MS22 front derailleur.
SRAM X4 shifters with speed indicators.
SRAM PG820 cassette, 8 cogs, 11 to 32 teeth.
5
Brakes
Tektro aluminium brake levers: lightweight and precise.
Front and rear Hayes MX5 mechanical disc brake callipers: powerful, progressive braking, even in rainy and muddy conditions.
6
Handlebar
B'Twin Sport handlebar made from aluminium for reduced weight. Available in 660 mm (size M) and 680 mm (size L): wider for extra stability.
Oversize diameter for more stiffness.
7
Stem
Exclusive B'Twin Upside Down 0/30 aluminium stem (lower weight).
Lengths: 70 mm (S), 80 mm (M and L), 90 mm (XL): shorter for more precise steering.
Can be raised by up to 3 cm with 5 settings (+ 0 mm, + 7.5 mm, + 15 mm, + 22.5 mm and + 30 mm).
Is 15% stiffer thanks to its width being increased by 48%, providing more precise steering.
8
Steering
Semi-integrated Aheadset offers improved watertightness, more precise steering, and an integrated look.
B'Twin Sport 120 mm grips with grooves: genuine comfort while riding.
9
Saddle
Exclusive B'Twin Ergofit Evo saddle offers outstanding comfort thanks to its wider "hammock" shape and good distribution of pressure points regardless of the rider's pelvis width.
10
Seat post
B'Twin Sport seat post made from aluminium to reduce weight.
27.2 mm diameter provides the seat with a natural flex that's 5 times greater than a classic seat post.
400 mm long, offering a wide adjustment range.
11
Wheels
Aero Trail Evo wheels with double-walled rims: lightweight, stiff, and durable.
27.5" diameter: the best balance of comfort and performance.
Designed with 28 spokes to reduce weight while still guaranteeing rigidity and strength.
12
Tyres
Exclusive B'Twin All Terrain Dry 27.5" x 2.0 tyres with a central tread optimised for good performance. Side lugs ensure good traction in turns. Comes with a table of recommended pressure settings depending on the user's weight.
13
Pedals
B'Twin Flat resin pedals.
14
Accessories
Mountain bike sold with a water bottle, bottle cage, hand pump, saddle bag, an extra inner tube and 3 tyre levers.

This mountain bike can also be fitted with a pannier rack, mudguard, stand, etc.
15
Weight
15.2 kg in size M without pedals, including accessories
More From Decathlon:
colgrigson Avatar
8m, 1w agoFound 8 months, 1 week ago
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All Comments

(12) Jump to unreadPost a comment
Comments/page:
#1
good bike for the money much better than any catalogue rubbish hot from me.
#2
do not like mechanical brakes, very good value bike nonetheless.hot
#3
15kg is a heck of a lot, despite the price. Will. e difficult to push
15 Likes #4
MAdam98
15kg is a heck of a lot, despite the price. Will. e difficult to push
Agree, probably better off using pedals
#5
MAdam98
15kg is a heck of a lot, despite the price.

Have to agree - wonder what makes this so heavy. Anyway, if weight isn't an issue (you live in a flattish area) then a good spec for the price. Decathlon do good bikes! Heat.
1 Like #6
stanno
MAdam98
15kg is a heck of a lot, despite the price.
Have to agree - wonder what makes this so heavy. Anyway, if weight isn't an issue (you live in a flattish area) then a good spec for the price. Decathlon do good bikes! Heat.
Fat tyres, double walled wheels, front suspension....... it all adds up!
#7
14.7kg It's ok for mountain bike at this price. Bikes at double the price usually 13.5-14.5kg
1 Like #8
7777777
do not like mechanical brakes, very good value bike nonetheless.hot

I read that a lot but got an old Specialized Hardrock Sport Disc Pro with mechanical brakes and just bought a Voodoo Bazinga with hydraulic disc brakes and they seem to work as well as each other,
#9
colgrigson
MAdam98
15kg is a heck of a lot, despite the price. Will. e difficult to push
Agree, probably better off using pedals

What pedals, I see no pedals. This is just a push bike.
#10
I POSTED THIS DEAL LAST WEEK, COLD!!!!!!!!!!!!!!!!!!!!!!!!!!!
1 Like #11
Thanks Op, bought for my son, will see how long it'll last :)
#12
balf118118
I POSTED THIS DEAL LAST WEEK, COLD!!!!!!!!!!!!!!!!!!!!!!!!!!!
You have defeated your own argument :)

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