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2018 Kona Process 153 AL 29 Bike (discontinued)

Average User Rating: (Very Good)
2018 Kona Process 153 AL 29
2018 Kona Process 153 AL 29 Bike 2018 Kona Process 153 AL 29 Bike 2018 Kona Process 153 AL 29 Bike 2018 Kona Process 153 AL 29 Bike 2018 Kona Process 153 AL 29 Bike
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Fast & Furious

Rating: Featured Member Review
The Good:

Eats up the descents & climbs surprisingly well

The Bad:

Its a bit porky! Motion Control (MoCo) damper in Yari is spiky.

Overall Review:

Having had a 153 650b since 2014 I was keen tp try the 153 29, & my comparison here is pretty much with that.

After 4 months, some riding & racing all over the UK Im loving it.

Its not light, 15.5 kg with pedals for my medium! Fortunately shock lockout & steep seatangle means it climbs really well.


Stock, the bike is a bit undergeared & the Yari is great until it gets really fast & rough, when the MoCo damper spikes.

So ive put it on a diet, wheels come taped for tubeless, so that was easy, bars swapped for carbon & a lighter WTB saddle, also a shimano 11-46 XT cassette adds a lot more range & saves weight. Ive also swapped out the Sram Level T brakes for lighter & better Hopes (level Ts were OK but I had the odd inconsistent moment on DH stuff, 4pots wouldve been better)

Trans-X dropper is excellent, levers a bit basic but post works perfectly, easily as good as Lev or Reverb & so far very reliable. NX drivetrain is fine.

Best upgrade has been a Novyparts splug damper €150 and its transformed the fork & bike (Fast do a similar one even cheaper in the UK & a 3 way adjustable Yari-Up)

The rear shock is OK, its better than the monarch on the old 153, but not as good as the Avalanche tuned DHX I got for that bike. Would like to upgrade to a DPX2/Toapz/X2 when funds allow though as its shown up by the forks now.

The frame itself is incredibly stiff, even more so than my old 153. the ride is completely silent & the chain never gets thrown the way it did with that bike on rough stuff, Ive done several races in Wales & Scotland and never lost the chain, even without a guide.

The wheels are heavy, very heavy, means that it takes a bit of effort to get them turning, a lighter set is on my upgrade wishlist. DHF tyres are great, but 2.3 is too narrow for the front, 2.5 at least!

Mud clearance seems only a bit better than the old 153, but actually Ive ridden through very claggy stuff (UK has had a very wet winter) & its not jammed up once.

Its reasonably long and the big wheels take a bit more effort & lean in turns, but you come out of corners with more speed, helped I think by the short stays, it eats drops & technical sections for breakfast, npthing can stop it.

Ive got faster & faster on this bike as Ive realised you have to push it a bit harder than the old 153 to get the most out of it.

As stock its a great bike, bit heavy for an all rounder but I think lighter wheels would change that. Its biggest weakness is the MoCo damper in the forks, budget for an aftermarket damper and its a different beast.

Overall I love it!


Product Kona Process 153 AL 29 Bike
Model Year 2018
Riding Type Enduro / All-Mountain
Rider Unisex
Sizes and Geometry
M, L, XL View Geometry
Size M L XL
Top Tube Length 603mm 632mm 671mm
Head Tube Angle 66° 66° 66°
Head Tube Length 90mm 100mm 110mm
Seat Tube Angle 76° 76° 76°
Seat Tube Length 410mm 450mm 485mm
Bottom Bracket Height 346mm 346mm 346mm
Chainstay Length 425mm 425mm 425mm
Wheelbase 1189mm 1218mm 1258mm
Standover 707mm 724mm 740mm
Reach 450mm 475mm 510mm
Stack 612mm 621mm 630mm
Wheel Size 29"
Frame Material Aluminum
Frame Material Details 6061 alloy, butted aluminum
Rear Travel 153mm
Rear Shock RockShox Deluxe RT Trunnion, metric
Fork RockShox Yari Solo Air, 110mm boost spacing
Fork Travel 160mm
Head Tube Diameter Tapered, internal
Headset FSA No.57B, zero-stack, 1-1/8" top, 1-1/2" bottom
Handlebar Kona XC/BC 35
Stem Kona XC/BC 35
Grips Kona Key
Brakes SRAM Level T, SRAM Centerline 200mm front / 180mm rear rotors
Brake Levers SRAM Level T
Drivetrain 1x
Shifters SRAM GX, 11-speed
Front Derailleur N/A
Rear Derailleur SRAM NX, 11-speed
Chainguide N/A
Cranks Race Face Aeffect
Chainrings Race Face 30 tooth, narrow/wide, direct mount
Bottom Bracket Shimano PF92, pressfit
Pedals N/A
Chain SRAM PC-1110, 11-speed
Cassette SRAM PG-1130, 11-42 tooth, 11-speed
Rims WTB STP i29 TCS, tubeless ready
Hubs Formula, 110mm x 15mm front / 148mm x 12mm rear
Spokes Stainless black, 14 gauge
Tires Front: Maxxis Minion DHF EXO Dual 29" x 2.3", tubeless ready
Rear: Maxxis Minion DHF EXO Dual 29" x 2.3", tubeless ready
Saddle WTB Volt Race
Frame size S - Race 250 size
Seatpost Trans-X Dropper, internal
Seatpost Diameter 31.6mm
Seatpost Clamp Kona Clamp, single bolt
Rear Dropout / Hub Dimensions 12mm x 148mm
Max. Tire Size
Bottle Cage Mounts Yes
Colors Matt black, aqua and green decals
Warranty One-year limited warranty on complete bicycle (USA, Canada)
Two-year limited warranty on complete bicycle (Europe)
Lifetime limited warranty on bicycle frame (with exception of carbon frames)
Weight N/A
Miscellaneous Internal seat post cable routing
Integrated chainstay protection
Price $2,999
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