RASTRO 27.5" Trail

RASTRO Trail PRO white.jpg
RASTRO Trail PRO white.jpg

RASTRO 27.5" Trail

from 2,995.00

The RASTRO 27.5" 1.0 has a trail ready spec built for durability and big fun. The frame has all of the latest standards, 148x12 Boost spacing, 27plus compatibility and an integrated ISCG-05 custom yoke.

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  • CHUMBA Frame: RASTRO 27.5"/27plus 4130 - Double Butted Chromoly (Made in USA)
  • Frame is up to 27plus x 3.0 compatible
  • Rear Axle: Paragon Machine Works 148x12 Thru-Axle (Made in USA)
  • Bottle Cage Bolt Set: 5mm Stainless
  • Fork: Fox Performance Series 150mm Travel, 27.5" 110x15 Boost Suspension Fork, this fork is up to 27.5" x 2.5 compatible


  • Front Brake: Shimano SLX M7000 Hydraulic
  • Rear Brake: Shimano SLX M7000 Hydraulic
  • Front Brake Rotor: Shimano RT66 180
  • Front Brake Adaptor: Shimano 180 PM
  • Rear Brake Rotor: Shimano RT66 180
  • Rear Brake Adaptor: Shimano 180 I.S. to PM


  • Bottom Bracket: Shimano MT800 English Thread BSA 73
  • Crankset: Shimano SLX Boost Crankset 170-175 11 speed
  • Chainring: Shimano SLX 30T 11 speed
  • Cassette: Shimano M7000 11-42T SLX Cassette 11 speed 
  • Chain: Shimano chain 11 speed
  • Shifters: Shimano  SLX M7000 Right shifter
  • Cables and Housing: Shimano SP41 and Stainless Cable  
  • Rear Derailleur: Shimano SLX M7000 Mid Shadow Plus Clutch


  • Headset: Cane Creek40 Series ZS44/EC44 Tapered
  • Headset Spacers:  Cane Creek Alloy
  • Handlebar: RaceFace Chester 31.8x740mm ,10mm rise, Black 
  • Stem: RaceFace Evolve 31.8x70-120mm
  • Grips: RaceFace Strafe Black Lock-on
  • Saddle: RaceFace Aeffect Black
  • Seatpost: RaceFace Ride XC 31.6x400mm


  • Front Wheel: RaceFace Aeffect SL 110x15 Boost
  • Rear Wheel: RaceFace Aeffect SL 148x12 Boost
  • Front Tire: Maxxis High Roller II 27.5"x2.4 EXO TR 
  • Rear Tire: Maxxis Ardent 27.5"x2.4 EXO TR 

All components have the option to be upgraded on request. Contact us for details. 512-382-5161 or support@chumbausa.com


  • Oversized 44mm Head tube for tapered or straight steerer tubes
  • 73mm English Thread BSA Bottom Bracket
  • 31.6 Seatpost Size w/ routing for external dropper
  • CHUMBA Custom half yoke chainstay w/ integrated ISCG-05 for skid plates and chain retentions systems
  • 148 x 12 Boost Thru-Axle Rear
  • Frame is up to 27plus x 3.0 compatible