Skip to product information
1 of 3

Radical Bicycle Co

Grim Ripper - Complete Bike

Grim Ripper - Complete Bike

Regular price £2,295.00 GBP
Regular price Sale price £2,295.00 GBP
Sale Sold out
Tax included.
Wheel Set Up

120-140mm Trail Ripper

Complete build approximate 7 day lead time.



the delinquent younger sibling to the Chilli Dog: We took the short travel hardtail platform and cranked up the dials.... The Grim Ripper offers maximum stoke with exceptional flexibility in how it can be built.

The Grim Ripper is our first non-UK fabricated steel hardtail, offering a great performing bike, at a great price. The frame is still fully designed & tested in the UK, and is fabricated from double butted 4130 chromoly steel from our leading ISO certified factory in Tianjin.


Full Play: Tuck those rear stays in and run a full 27.5 set up (140mm max travel)

Full Gas: Extend the sliding dropouts outs and run a fast rolling 29er or 27.5 set up front and rear 

MULLET: Business up front, party in the rear. The best of both worlds..... 

''The more compliant back end of the Grim Ripper seemingly smoothing out the rough in a manner I was unfamiliar with on a hardtail...''

- Wideopen Magazine

Key Features:

  • Travel range: 120-140mm (130mm Max with 29 wheel)
  • Sliding dropouts give +/- 15mm rear end adjustment; ride it your way.
  • Conservative measurements across the reach/length gives a balanced ride.
  • Low slung geometry gives ultimate cornering, stability and braking control.
  • Steep seat tube angle for exceptional technical climbing ability and a shorter, more comfortable/natural seated position. 
  • Short, straight seat tube designed around the use of longer dropper posts to get slammed properly when s**t gets hairy.
  • Top tubes run across the same line on both sizes, offering leading standover clearance. Perfect for sizing flexibility and keeping the frame out of your way!
  • Tall stack, because its just better...
  • A slack head angle with a 120-140mm fork means the bike remains composed and slack, no matter the terrain.
  • Frame treated with an ED coat prior to final paint for improved corrosion resistance
  • 3 year warranty & lifetime crash replacement for the original owner.



Frame Grim Ripper 
Fork Marzocchi Z2 130mm 
Wheelset WTB I30 29
Stem Gusset S2 AM 35mm x 35mm
Bars Gusset S2 AM 35mm x 800mm
Headset Gusset S2
Brakes  Magura MT5 4 Piston
Rotors Magura Storm 203mm F & 180mm R
Dropper Post PNW Rainer 200mm
Shifter Shimano Deore 12sp
Rear Derailleur Shimano Deore 12sp
Saddle Gusset R Series
Grips Guesset
Tires Michelin Wild Enduro 2.4inch
Crankset Shimano Deore 32T 175mm
Cassette Shimano Deore 12sp 10-51T
Chain Shimano 12sp Chain
Seat clamp Gusset Clench
Please note; we handbuild build each bike up to order. If any parts are unavailable or delayed, we are flexible to switch components should it be required, and you will be informed of any changes.
Manufacture specification/ Recommendations: What do I need?
  • Max front travel: 140mm 27.5/ 130mm 29
  • 29 wheel only usable with sliding dropout in extended position
  • Max rear rotor size: 180mm
  • Seat Post: 31.6mmm internal routing only
  • Seat Post Clamp: 34.9mm
  • Bottom Bracket: standard 73mm threaded BSA/English
  • 44mm headtube. Tapered fork headset sizes: ZS44/28.6 top headset cup, EC44/40 lower headset cup. Purchase here.
  • Brake Mount: 160mm Post
  • Rear Wheel spacing: Boost (148mm x 12mm)
  • Chain guide devices: To suit ISCG05
  • Front chain ring clearance: Max 34T 
  • Tire Clearance: 2.5inch (Clearance may be +/- dependant on wheel size/dropout position/tyre brand)


Struggling with what reach to choose? Why not check out our sizing chart...

The frames have short seat tubes with a very low standover, so sizing is very flexible and more centred around the length. We recommend the use of longer dropper posts and shorter stems (35-50mm) dependant on sizing. 

Seat post insertion depths 

Short, straight seat tubes allow for most 200mm droppers to be fully inserted. See max seat post insertions;

Regular: 315mm

Long: 345mm

View full details