Cheap 21 Speed Bike Deals

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Bikes with 21 Gears – these feature a triple chainring and front mech, with a 7 speed cassette / shifter / rear derailleur (7 x 3 = 21 gears!).

Order: Biggest Savings | Cheapest Prices

Oyama Freedom 2.1 Alloy Hardtail Mountain Bike
Oyama Freedom 2.1 Alloy Hardtail Mountain Bike
£189 £379 - 15" & 17" in Black, Red & White, Alloy Hardtail Frame, 27.5" Wheels, Disc Brakes, 21 Speed (3 x 7)
View the Oyama Freedom 2.1 Alloy Hardtail Mountain Bike
Calibre Saw Alloy Hardtail Mountain Bike
Calibre Saw Alloy Hardtail Mountain Bike
£299 £500 - XXS in Black & Yellow, Alloy Hardtail Frame, 27.5" Wheels, Disc Brakes, 21 Speed Acera Groupset (3 x 7), Weighs 14kg
View the Calibre Saw Alloy Hardtail Mountain Bike
Pinnacle Lithium 1 Hybrid Bike
Pinnacle Lithium 1 Hybrid Bike
£300 £500 - XS, M, L & XL in Black & Grey, Alloy Hybrid Frame, 700c Wheels, Caliper Brakes, 21 Speed Tourney Groupset (3 x 7)
View the Pinnacle Lithium 1 Hybrid Bike
Calibre Blade Alloy Hardtail Mountain Bike
Calibre Blade Alloy Hardtail Mountain Bike
£299 £500 - M in Turquoise, Alloy Hardtail Frame, 27.5" Wheels, Disc Brakes, 21 Speed (3 x 7), Weighs 14kg
View the Calibre Blade Alloy Hardtail Mountain Bike
Compass Ladies Latitude Alloy Hardtail Mountain Bike
Compass Ladies Latitude Alloy Hardtail Mountain Bike
£220 £350 - S & M in Green, Alloy Ladies Hardtail Frame, 26" Wheels, V Brakes, 21 Speed (3 x 7)
View the Compass Ladies Latitude Alloy Hardtail Mountain Bike
Barracuda Montana 27.5″ Hardtail Mountain Bike
Barracuda Montana 27.5" Hardtail Mountain Bike
£220 £350 - 17" & 19" in Blue & Yellow, Alloy Hardtail Frame, 27.5" Wheels, Disc Brakes, 21 Speed Altus Groupset (3 x 7), Weighs 19kg
View the Barracuda Montana 27.5″ Hardtail Mountain Bike
Jamis Divide Hardtail Mountain Bike
Jamis Divide Hardtail Mountain Bike
£250 £400 - XS, M & L in Black, Alloy Hardtail Frame, 27.5" / 29" Wheels, Disc Brakes, 21 Speed Altus Groupset (3 x 7)
View the Jamis Divide Hardtail Mountain Bike
GT Transeo Sport Step-thru Sports Alloy Ladies City Bike 2022
GT Transeo Sport Step-thru Sports Alloy Ladies City Bike 2022
£335 £500 - M in Blue, Ladies Alloy Hybrid Frame, 700c Wheels, Disc Brakes, 21 Speed Tourney Groupset (3 x 7)
View the GT Transeo Sport Step-thru Sports Alloy Ladies City Bike 2022
GT Aggressor Sport Alloy Hardtail Mountain Bike 2021
GT Aggressor Sport Alloy Hardtail Mountain Bike 2021
£290 £425 - M, L & XL in Blue & Red, Alloy Hardtail Frame, 27.5" / 29" Wheels, Disc Brakes, 21 Speed Tourney Groupset (3 x 7)
View the GT Aggressor Sport Alloy Hardtail Mountain Bike 2021
GT Aggressor Sport Hardtail Mountain Bike 2022
GT Aggressor Sport Hardtail Mountain Bike 2022
£290 £425 - M, L & XL in Blue & Red, Alloy Hardtail Frame, 27.5" / 29" Wheels, Disc Brakes, 21 Speed Tourney Groupset (3 x 7), Weighs 15.6kg
View the GT Aggressor Sport Hardtail Mountain Bike 2022
Compass Derwent Ladies Heritage Bike
Compass Derwent Ladies Heritage Bike
£275 £400 - 17" & 19" in Pink, Ladies Alloy Hybrid Frame, 700c Wheels, Caliper Brakes, 21 Speed Tourney Groupset (3 x 7)
View the Compass Derwent Ladies Heritage Bike
Serious Cedar Hybrid
Serious Cedar Hybrid
£336 £480 - 52cm, 56cm & 60cm in Black & Grey, Alloy Hybrid Frame, 700c Wheels, Caliper Brakes, 21 Speed Acera Groupset (3 x 7), designed for Hybrid / Road riding, Weighs 12.45kg
View the Serious Cedar Hybrid
Serious Cedar S Trapeze Hybrid
Serious Cedar S Trapeze Hybrid
£364 £520 - 44cm, 48cm & 52cm in Black, Ladies Alloy Hybrid Frame, 700c Wheels, Caliper Brakes, 21 Speed Acera / Tourney Groupset (3 x 7), designed for Hybrid / Road riding, Weighs 13.5kg
View the Serious Cedar S Trapeze Hybrid
Serious Cedar S Hybrid
Serious Cedar S Hybrid
£364 £520 - 48cm, 52cm, 56cm & 60cm in Black & Blue, Alloy Hybrid Frame, 700c Wheels, Caliper Brakes, 21 Speed Acera / Tourney Groupset (3 x 7), designed for Hybrid / Road riding, Weighs 13.69kg
View the Serious Cedar S Hybrid
Serious Cedar Street Trapeze Hybrid
Serious Cedar Street Trapeze Hybrid
£364 £520 - 44cm, 48cm & 52cm in Black & Yellow, Ladies Alloy Hardtail Hybrid Frame with Front Suspension, 700c Wheels, Caliper Brakes, 21 Speed Acera Groupset (3 x 7), designed for Hybrid / Road riding, Weighs 15.37kg
View the Serious Cedar Street Trapeze Hybrid
Serious Cedar Street Hybrid
Serious Cedar Street Hybrid
£364 £520 - 48cm, 52cm & 56cm in Black & Grey, Alloy Hardtail Hybrid Frame with Front Suspension, 700c Wheels, Caliper Brakes, 21 Speed Acera Groupset (3 x 7), designed for Hybrid / Road riding, Weighs 15.37kg
View the Serious Cedar Street Hybrid
Forme Hartington A21 Ladies Classic Hybrid City Bike 2021
Forme Hartington A21 Ladies Classic Hybrid City Bike 2021
£349 £500 - 17" & 19" in Black, Ladies Alloy Hybrid Frame, 700c Wheels, Caliper Brakes, 21 Speed Tourney Groupset (3 x 7)
View the Forme Hartington A21 Ladies Classic Hybrid City Bike 2021
Serious Cedar Suspension Hybrid
Serious Cedar Suspension Hybrid
£308 £440 - 48cm in Black & Grey, Alloy Hardtail Hybrid Frame with Front Suspension, 700c Wheels, Caliper Brakes, 21 Speed Alivio Groupset (3 x 7), designed for Hybrid / Road riding, Weighs 13.58kg
View the Serious Cedar Suspension Hybrid
Compass Contour Ladies Alloy City Bike
Compass Contour Ladies Alloy City Bike
£325 £450 - S in White, Ladies Alloy Hardtail Hybrid Frame with Front Suspension, 700c Wheels, Disc Brakes, 21 Speed Altus Groupset (3 x 7), designed for Road riding, Weighs 14.5kg
View the Compass Contour Ladies Alloy City Bike
GT Transeo Comp Step-thru Sports Alloy Ladies City Bike 2022
GT Transeo Comp Step-thru Sports Alloy Ladies City Bike 2022
£400 £550 - M in Black & Grey, Ladies Alloy Hardtail Hybrid Frame with Front Suspension, 700c Wheels, Disc Brakes, 21 Speed Microshift Groupset (3 x 7)
View the GT Transeo Comp Step-thru Sports Alloy Ladies City Bike 2022
GT Transeo Comp Alloy Urban City Bike 2021
GT Transeo Comp Alloy Urban City Bike 2021
£350 £480 - S & M in Grey, Alloy Hardtail Hybrid Frame with Front Suspension, 700c Wheels, Disc Brakes, 21 Speed Tourney Groupset (3 x 7)
View the GT Transeo Comp Alloy Urban City Bike 2021
Ridgeback Motion Alloy City Bike 2021
Ridgeback Motion Alloy City Bike 2021
£450 £600 - S, M, L - some are extra, Blue, Alloy Frame, 700c Wheels, Caliper Brakes, 21 Speed, Triple Chainring
View the Ridgeback Motion Alloy City Bike 2021
Ridgeback Motion Open Frame Ladies Alloy City Bike 2021
Ridgeback Motion Open Frame Ladies Alloy City Bike 2021
£469 £600 - XL in Blue, Ladies Alloy Hybrid Frame, 700c Wheels, Caliper Brakes, 21 Speed Tourney Groupset (3 x 7)
View the Ridgeback Motion Open Frame Ladies Alloy City Bike 2021
GT Transeo Comp Sports Alloy City Bike 2022
GT Transeo Comp Sports Alloy City Bike 2022
£440 £550 - M in Black & Grey, Alloy Hardtail Hybrid Frame with Front Suspension, 700c Wheels, Disc Brakes, 21 Speed Microshift Groupset (3 x 7)
View the GT Transeo Comp Sports Alloy City Bike 2022

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Welcome to Bike Bargains - I scour the internet trying to find the best deals specifically for UK based cyclists. Over the years I've saved hundreds of pounds on cycling gear, simply by shopping around and buying cycling consumables only when they're on sale. Whether you're a road cyclist or a DH mountain biker, I handpick the best money saving cycling related bargains I can find - and will hopefully save you money too! Bike Bargains is a participant in the Amazon EU Associates Programme, an affiliate advertising programme designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.co.uk. All details are believed to be correct, but please check with the retailer prior to buying - deals and specifications change, and your contract is solely with the retailer.

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