Can you help me choose the right size?

Yes. Use our geometry and sizing section as a starting point, then visit Stretton Bikes in Ashby-de-la-Zouch for sizing advice or book a bike fitting.

Do you service e-bikes?

Our Midlands workshop handles e-bike maintenance including Bosch and other motor systems, drivetrain work, and general diagnostics.

Do you offer Cycle to Work on this bike?

Cycle to Work may be available depending on your employer scheme. Use the Cycle to Work button above or contact us with your provider details.

Can I collect from Stretton Bikes?

Yes — collection from our Ashby-de-la-Zouch showroom is free. Every bike is safety-checked and set up before handover.

Is finance available on Mondraker bikes?

Finance may be available on eligible bikes up to £5,000 over 12 months. Use the finance enquiry option or ask in store for current terms.

Mondraker Sly Rr 29 | Aluminium Electric Bike

1/8

Mondraker

Sly Rr 29

Name: Sly Rr 29
Brand: Mondraker
SKU: 010.26171
Price: 6199 GBP
Availability: PreOrder

Select options for availability

£6,199

6061 Alloy Stealth Evo, hydroformed tubing, Updated Zero Suspension System, 150mm travel, Forward Geometry, internal & non removable batt… Sly Rr — LIGHT e-MTB bike from Mondraker.

Colour

Size

Free delivery on bikes over £1,000 • £60 under £1,000

Free collection in Ashby-de-la-Zouch · Free delivery on bikes over £1,000 • £60 under £1,000 · England & Wales only · Finance and Cycle to Work enquiries do not use card checkout

Independent bike shop
Physical workshop in Ashby-de-la-Zouch
Bikes professionally checked before dispatch
Secure checkout
Workshop and after-sales support

Overview

About this bike

Sly Rr — LIGHT e-MTB bike from Mondraker. Powered by Bosch Performance Line SX (25Km/h) GEN4 SMART SYSTEM Diagonal, Wide.

6061 Alloy Stealth Evo, hydroformed tubing, Updated Zero Suspension System, 150mm travel, Forward Geometry, internal & non removable battery, Boost 12x148mm rear axle, UDH, tapered head tube, one-piece Monoblock upper link, HHG internal cable routing, MAX capacity sealed bearings, oversize 15mm axles, exclusive plastic motor covers.
Rear
Fox Float X Performance EVOL, 185x55mm.
2-position compression (Open/Firm), rebound, air preload. Trunnion top mount, 30x8mm bottom bushings

Specifications

Frame: 6061 Alloy Stealth Evo, hydroformed tubing, Updated Zero Suspension System, 150mm travel, Forward Geometry, internal & non removable battery, Boost 12x148mm rear axle, UDH, tapered head tube, one-piece Monoblock upper link, HHG internal cable routing, MAX capacity sealed bearings, oversize 15mm axles, exclusive plastic motor covers.

Why you'll love it

Fox Float X Performance EVOL, 185x55mm.

2-position compression (Open/Firm), rebound, air preload. Trunnion top mount, 30x8mm bottom bushings

Who it's for

Ideal for 1

LIGHT e MTB riding

Ideal for 2

Hilly routes and longer days in the saddle

Ideal for 3

Riders extending their trail mileage

Key technology & features

Frame

Aluminium

Groupset

Sram GX Eagle AXS T-Type

Motor

Bosch Performance Line SX (25Km/h) GEN4 SMART SYSTEM Diagonal, Wide

Battery

400Wh

Travel

160mm fork · 150mm rear

Wheels

29"

Mondraker Sly Rr 29 — riding on UK trails and lanes

Built to ride

Mondraker LIGHT e-MTB performance

Premium bikes, expert setup, and Midlands riding from Stretton Bikes in Ashby-de-la-Zouch.

Sizing

Find Your Perfect Size

Choosing the correct frame size makes a huge difference to comfort, confidence and performance. Enter your height below to see the official manufacturer recommendation.

Available sizes: S, M, L, XLColours: Blue / Black, Gray / Black / Yellow

Your height

5'9"

140 cm210 cm

Recommendation

Size guidance coming soon — contact Stretton Bikes for advice.

View Full Geometry+

Reach, stack, seat tube, head angle, chainstay, wheelbase, BB drop, standover, effective top tube, and seat angle measurements.

Measurement	Value
Seat tube / reach	380mm
Seat tube / reach	410mm
Seat tube / reach	435mm
Seat tube / reach	460mm
Seat tube / reach	490mm

Still unsure?

We build and size bikes every day. Call us, email us or visit our Ashby-de-la-Zouch showroom and we'll help you choose the perfect size.

Get Sizing Advice

Delivery & collection

Collection

Collect free from our Ashby-de-la-Zouch showroom. Bikes are fully inspected and safety-checked before handover.

Delivery

Free delivery on bikes over £1,000.
Bikes under £1,000: £60 delivery.
Delivery available to England and Wales only.

Why buy from Stretton Bikes

Authorised dealer for Mondraker, Basso and Marin

Showroom and workshop in Ashby-de-la-Zouch, serving the Midlands

Professional bike fitting and independent advice

Cycle to Work and finance enquiries handled personally

Every bike safety-checked before handover

Workshop Bike fitting Contact

FAQs

This bike is available to order. Lead times vary by brand and size — we will confirm when you enquire.

Product details

Explore more

Mondraker bikes

Explore more from Mondraker at Stretton Bikes.

Electric bikes

Browse similar bikes in this category.

Electric mountain bike buying guide

Practical buying advice from Stretton Bikes.

Hardtail vs full suspension

Understand which MTB platform suits your riding.

Cycle to Work buying guide

How to buy an e-bike through Cycle to Work.

All buying guides

Expert advice on mountain, road, gravel and e-bikes.

Bike shop Ashby-de-la-Zouch

Visit our Midlands showroom or enquire online.

Bike fitting

Professional fit consultations in store.

Workshop services

Servicing, repairs, and Bosch e-bike support.

Finance options

Spread the cost of your new bike.

Overview

About this bike

Sly Rr — LIGHT e-MTB bike from Mondraker. Powered by Bosch Performance Line SX (25Km/h) GEN4 SMART SYSTEM Diagonal, Wide.

6061 Alloy Stealth Evo, hydroformed tubing, Updated Zero Suspension System, 150mm travel, Forward Geometry, internal & non removable battery, Boost 12x148mm rear axle, UDH, tapered head tube, one-piece Monoblock upper link, HHG internal cable routing, MAX capacity sealed bearings, oversize 15mm axles, exclusive plastic motor covers.
Rear
Fox Float X Performance EVOL, 185x55mm.
2-position compression (Open/Firm), rebound, air preload. Trunnion top mount, 30x8mm bottom bushings

Specifications

Frame: 6061 Alloy Stealth Evo, hydroformed tubing, Updated Zero Suspension System, 150mm travel, Forward Geometry, internal & non removable battery, Boost 12x148mm rear axle, UDH, tapered head tube, one-piece Monoblock upper link, HHG internal cable routing, MAX capacity sealed bearings, oversize 15mm axles, exclusive plastic motor covers.

Why you'll love it

Fox Float X Performance EVOL, 185x55mm.

2-position compression (Open/Firm), rebound, air preload. Trunnion top mount, 30x8mm bottom bushings

Who it's for

Ideal for 1

LIGHT e MTB riding

Ideal for 2

Hilly routes and longer days in the saddle

Ideal for 3

Riders extending their trail mileage

Key technology & features

Frame

Aluminium

Groupset

Sram GX Eagle AXS T-Type

Motor

Bosch Performance Line SX (25Km/h) GEN4 SMART SYSTEM Diagonal, Wide

Battery

400Wh

Travel

160mm fork · 150mm rear

Wheels

29"

Built to ride

Mondraker LIGHT e-MTB performance

Premium bikes, expert setup, and Midlands riding from Stretton Bikes in Ashby-de-la-Zouch.

Sizing

Find Your Perfect Size

Choosing the correct frame size makes a huge difference to comfort, confidence and performance. Enter your height below to see the official manufacturer recommendation.

Available sizes: S, M, L, XLColours: Blue / Black, Gray / Black / Yellow

Your height

5'9"

140 cm210 cm

Recommendation

Size guidance coming soon — contact Stretton Bikes for advice.

View Full Geometry+

Reach, stack, seat tube, head angle, chainstay, wheelbase, BB drop, standover, effective top tube, and seat angle measurements.

Measurement	Value
Seat tube / reach	380mm
Seat tube / reach	410mm
Seat tube / reach	435mm
Seat tube / reach	460mm
Seat tube / reach	490mm

Still unsure?

We build and size bikes every day. Call us, email us or visit our Ashby-de-la-Zouch showroom and we'll help you choose the perfect size.

Get Sizing Advice

Delivery & collection

Collection

Collect free from our Ashby-de-la-Zouch showroom. Bikes are fully inspected and safety-checked before handover.

Delivery

Free delivery on bikes over £1,000.
Bikes under £1,000: £60 delivery.
Delivery available to England and Wales only.

Why buy from Stretton Bikes

Authorised dealer for Mondraker, Basso and Marin

Showroom and workshop in Ashby-de-la-Zouch, serving the Midlands

Professional bike fitting and independent advice

Cycle to Work and finance enquiries handled personally

Every bike safety-checked before handover

Workshop Bike fitting Contact

FAQs

This bike is available to order. Lead times vary by brand and size — we will confirm when you enquire.

Product details

Explore more

Mondraker bikes

Explore more from Mondraker at Stretton Bikes.

Electric bikes

Browse similar bikes in this category.

Electric mountain bike buying guide

Practical buying advice from Stretton Bikes.

Hardtail vs full suspension

Understand which MTB platform suits your riding.

Cycle to Work buying guide

How to buy an e-bike through Cycle to Work.

All buying guides

Expert advice on mountain, road, gravel and e-bikes.

Bike shop Ashby-de-la-Zouch

Visit our Midlands showroom or enquire online.

Bike fitting

Professional fit consultations in store.

Workshop services

Servicing, repairs, and Bosch e-bike support.

Finance options

Spread the cost of your new bike.

Sly Rr 29

About this bike

Specifications

Why you'll love it

Who it's for

Key technology & features

Mondraker LIGHT e-MTB performance

Find Your Perfect Size

Still unsure?

Delivery & collection

Collection

Delivery

Why buy from Stretton Bikes

FAQs

Explore more

About this bike

Specifications

Why you'll love it

Who it's for

Key technology & features

Mondraker LIGHT e-MTB performance

Find Your Perfect Size

Still unsure?

Delivery & collection

Collection

Delivery

Why buy from Stretton Bikes

FAQs

Explore more

You may also like

You may also like

Sly Rr 29

About this bike

Specifications

Why you'll love it

Who it's for

Key technology & features

Mondraker LIGHT e-MTB performance

Frame sizing for Sly Rr 29

Find Your Perfect Size

Still unsure?

Delivery & collection

Collection

Delivery

Why buy from Stretton Bikes

FAQs

Explore more

About this bike

Specifications

Why you'll love it

Who it's for

Key technology & features

Mondraker LIGHT e-MTB performance

Frame sizing for Sly Rr 29

Find Your Perfect Size

Still unsure?

Delivery & collection

Collection

Delivery

Why buy from Stretton Bikes

FAQs

Explore more

You may also like

You may also like