ENJOY YOUR CHALLENGE

Whether it's tearing around an XCO track or setting your personal best up a local hill, the Twostroke has you covered.

Twostroke AL ONE

• SRAM Eagle Drivetrain
• Rock Shox Recon RL Remote Fork
• Alex MD25 Rims, Shimano HB-MT-400-B/FH-MT-410-B Hubs

WHEEL SIZE:  29"
SIZE RANGE:  S, M, L, XL
COLOR:  Green

A refined aluminum frame that takes its heritage from the race proven Fourstroke and crosses it with a fighter jet inspired design, to create the perfect blend of performance, functionality and aesthetics.

Designed to take you far. 

TWOSTROKE TECHNOLOGY

• RADICAL GEOMETRY
  A 67˚ head angle, long front-end and 75° seat angle to attack steep and loose terrain with the perfect weight distribution.
  

• TUNED COMPLIANCE CONCEPT (TCC)
  Take the edge off the roughest roads to push harder and ride further. The ultimate balance between comfort and performance for a ride that is both forgiving and fast.

• INTERNAL CABLE ROUTING
  Fully guided internal cable routing for easy installation and a clean look.

• INTEGRATED PROTECTION
  Molded covers on the chainstay, an integrated chain suck plate and helicopter tape on the downtube ensure durability and a sleek design.

• INTEGRATED FORK STOPPER
  Frame protection for increased stiffness in a straight downtube design.

• WIDE TIRE CLEARANCE
  Fully compatible with the new generation of wide XC tires.

• DROPPER POST READY
  A dedicated shim allows the installation of a 27.2 mm dropper post with stealth cable routing.

BIKE SIZING

Looking for the perfect size? Checkout our handy quick reference chart below (NOTE: The chart assumes average limb and torso proportions). Not sure about your size? Just send us your measurements using our Bike Sizing form and one of our experts will help you out!

Rider Height	Frame Size
<5'6"	Small
5'6" to 5'10"	Medium
5'9" to 6'3"	Large
>6'2"	X-Large

TECHNICAL SPECIFICATIONS

FRAME	Twostroke AL Premium Aluminium, Hydroformed, Smoothwelded • Internal Cable Routing • BSA Threaded Bottom Bracket • Post Mount Disc
FORK	Rockshox Recon RL
GEARS	1x12
CHAINWHEEL	SRAM NX Eagle 32T
CASSETTE	SRAM NX Eagle 11-50T
CHAIN	SRAM SX Eagle
REAR DERAILLEUR	SRAM NX Eagle
SHIFTERS	SRAM SX Eagle
BRAKES	Shimano Deore BR-M6100 / Shimano SM-RT54 Rotors (160/160 S-M, 180/160 L-XL)
HANDLEBAR	BMC MFB03 Alloy 750mm
STEM	Forged 6061 Alloy
SEATPOST	BMC MSP03 - 31,6mm - 0mm Offset
SADDLE	Velo VL-1831
HUBS	Shimano MT400
RIMS	Alex MD25, 25mm
TIRES	Vittoria Barzo 2.25
TIRE CLEARANCE	58mm (measured width)
WEIGHT (KG)	13.06 kg
ASTM CLASSIFICATION	Level 3

BMC GEOMETRY

Rider Height CM	<170	170-182	180-192	>190
Top Tube MM	597	618	638	658
Wheelbase MM	1112.5	1135	1161	1185
Seat Angle	75	75	75	75
Seatpost Length MM	350	400	400	400
Stack MM	588	598	608	623
Trail MM (trail)	109	109	109	109
Rear Center MM	425	425	425	425
Reach MM	422.5	445	465	485
Head Tube MM	87	93.5	106	122.5
Head Angle	67	67	67	67
BB Drop MM	64	64	64	64
Stem Length MM	60	60	60	70
Seat Tube MM	410	440	480	510
Stem Angle	±5	±5	±5	±5
Crank Length MM	170	175	175	175
Fork Rake MM	44	44	44	44
Front Center MM	696	715	741	767
Fork Length MM	505	505	505	505
Bar Rise MM	4	4	4	4
Bar Width MM	750	750	750	750
Backsweep	9	9	9	9

WARRANTY

We're an authorized BMC dealer, which means that every bike we sell is backed by BMC's warranty.  For full details, click here.